{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03761_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lawrence, Massachusetts | 1949 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"139"},{"label":"placed","value":"115"},{"label":"unplaced","value":"24"},{"label":"fit sources","value":"georef 102, georef-snap 18, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"14 sheet(s) cut into 29 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 42.72013,-71.14780 +/-244m); p10__2 (tier 1, 42.69583,-71.17999 +/-152m); p115__3 (tier 1, 42.71929,-71.14440 +/-100m); p13 (tier 1, 42.70446,-71.17863 +/-254m); p45 (tier 2, 42.71435,-71.17815 +/-234m); p68__1 (tier 2, 42.71862,-71.15071 +/-246m); p69__2 (tier 1, 42.71601,-71.15420 +/-100m); p71__1 (tier 2, 42.71359,-71.15210 +/-243m); p75__2 (tier 2, 42.70585,-71.15073 +/-504m); p76__2 (tier 1, 42.71689,-71.16364 +/-200m); p78 (tier 2, 42.70859,-71.13968 +/-100m); p80__2 (tier 1, 42.71363,-71.13637 +/-100m); p81__1 (tier 1, 42.70144,-71.15924 +/-206m); p83 (tier 2, 42.70248,-71.16187 +/-610m); p84__1 (tier 2, 42.70222,-71.15271 +/-244m); p86__1 (tier 1, 42.70269,-71.14749 +/-100m); p92__2 (tier 1, 42.69514,-71.16607 +/-100m); p96__2 (tier 1, 42.69415,-71.16134 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p1","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0001","type":"ImageService3","width":1735,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1567.5,2008.0 186.8,2008.0 168.0,1710.2 -0.0,1628.5 -0.0,1573.3 88.9,1574.3 106.9,0.0 1735.0,0.0 1735.0,2008.0 1571.1,1982.5 1567.5,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.0,1710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.186398,42.7047]}},{"type":"Feature","properties":{"resourceCoords":[1567.0,1982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.183321,42.704732]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p100","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0100","type":"ImageService3","width":1730,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1730.0,-0.0 1730.0,575.8 1554.5,582.8 1549.6,1934.9 178.3,1936.5 178.2,2008.0 -0.0,2008.0 -0.0,1071.0 178.0,1073.0 171.9,-0.0 1730.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0100/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[178.0,1073.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.149259,42.699473]}},{"type":"Feature","properties":{"resourceCoords":[1558.0,1073.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.148846,42.697073]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0101/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p101","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0101/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0101","type":"ImageService3","width":1720,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"609.5,95.7 847.2,42.8 852.8,0.0 1720.0,0.0 1720.0,31.7 1577.9,23.1 1580.0,1968.0 1091.5,2008.0 60.6,2008.0 59.6,1939.0 27.6,1948.5 44.1,2008.0 -0.0,2008.0 -0.0,14.3 609.5,95.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0101/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[777.0,917.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1643775,42.6909629]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1615248,42.6899453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0102/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p102","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0102/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0102","type":"ImageService3","width":1730,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1495.0,1979.7 110.7,1976.4 126.1,11.5 1381.8,103.1 1495.0,1979.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0102/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[111.0,1582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1619529,42.6905576]}},{"type":"Feature","properties":{"resourceCoords":[989.0,1582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.160099,42.691259]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0103/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p103","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0103/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0103","type":"ImageService3","width":1721,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1428.5,1252.9 1354.2,2008.0 -0.0,2008.0 -0.0,1971.9 129.7,1959.7 -0.0,1089.5 -0.0,52.6 137.4,91.6 1458.0,79.4 1721.0,576.3 1721.0,666.8 1444.8,647.9 1428.5,1252.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0103/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1432.0,1128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.156486,42.693244]}},{"type":"Feature","properties":{"resourceCoords":[-148.0,96.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.160877,42.693868]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0104/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p104","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0104/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0104","type":"ImageService3","width":1736,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"276.0,1328.0 551.6,1330.0 546.1,1240.2 254.8,762.4 229.5,238.8 1574.1,247.5 1561.9,1795.0 292.8,1805.8 276.0,1328.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0104/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[276.0,1328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.156889,42.694026]}},{"type":"Feature","properties":{"resourceCoords":[1567.0,246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.154806,42.696543]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0105/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p105","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0105/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0105","type":"ImageService3","width":1717,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,205.6 1663.3,200.4 1674.9,1754.1 312.2,1723.3 -0.0,205.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0105/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15484677304222,42.69690312971426]}},{"type":"Feature","properties":{"resourceCoords":[1717.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15081786517733,42.69725718939471]}},{"type":"Feature","properties":{"resourceCoords":[1717.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15025843392425,42.69376977215108]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15428734178914,42.693415712470625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0106/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p106","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0106/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0106","type":"ImageService3","width":1739,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.0,216.8 1415.7,221.4 1423.8,396.7 1739.0,396.6 1739.0,2008.0 65.9,2008.0 66.0,216.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0106/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[925.0,730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.148698,42.696193]}},{"type":"Feature","properties":{"resourceCoords":[67.0,1672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15045,42.694363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0107/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p107","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0107/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0107","type":"ImageService3","width":1731,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1252.1,1783.0 1196.7,2008.0 -0.0,2008.0 -0.0,1026.8 348.5,1002.1 364.5,114.8 1645.0,91.2 1729.5,122.9 1604.5,502.2 1523.7,488.3 1355.5,486.1 1311.3,707.5 1462.0,955.0 1252.1,1783.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0107/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1347.0,1400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.153341,42.691658]}},{"type":"Feature","properties":{"resourceCoords":[369.0,497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.156195,42.692617]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0108/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p108","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0108/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0108","type":"ImageService3","width":1742,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"144.7,2008.0 195.2,997.2 -0.0,785.1 -0.0,560.6 246.0,527.7 294.0,133.4 1563.6,150.9 1566.3,396.6 1742.0,395.6 1742.0,2008.0 144.7,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0108/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[763.0,1617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1518979,42.6914985]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.150305,42.693515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0109/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p109","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0109/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0109","type":"ImageService3","width":1729,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.0,1846.5 52.2,132.0 1299.5,132.6 1296.5,168.3 1729.0,205.2 1729.0,1707.3 933.5,1720.2 934.0,1836.8 56.0,1846.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0109/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[928.0,525.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1592352,42.690031]}},{"type":"Feature","properties":{"resourceCoords":[56.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1596524,42.6872691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p10 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6880.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0010","type":"ImageService3","width":1720,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1083.5,874.3 1176.7,484.7 1243.3,118.8 91.0,92.0 46.9,1540.7 -0.0,1515.3 -0.0,2008.0 1483.2,2008.0 1263.0,1599.8 1457.1,1501.2 1171.1,1231.2 1077.8,1045.4 1083.5,874.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[91.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.18076,42.697198]}},{"type":"Feature","properties":{"resourceCoords":[449.0,1698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.178801,42.694833]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p11","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0011","type":"ImageService3","width":1729,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1597.2,1491.4 1401.8,1487.3 1385.9,2008.0 -0.0,2008.0 -0.0,1457.3 205.1,1462.4 79.2,1081.7 94.5,914.7 150.8,803.4 663.4,230.2 810.2,162.2 992.2,0.0 1729.0,0.0 1729.0,958.3 1617.9,977.3 1597.2,1491.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[663.0,230.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.178197,42.6977893]}},{"type":"Feature","properties":{"resourceCoords":[649.0,1472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1760098,42.6962611]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p110","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0110/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0110","type":"ImageService3","width":1758,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1758.0,1918.2 1430.5,1895.7 1454.0,2008.0 220.8,2008.0 223.1,1710.5 114.0,1709.0 118.5,816.4 -0.0,815.0 -0.0,0.0 1758.0,-0.0 1758.0,1918.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0110/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[114.0,1709.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1596524,42.6872691]}},{"type":"Feature","properties":{"resourceCoords":[1688.0,834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1561002,42.6855786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0111/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p111","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0111/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0111","type":"ImageService3","width":1731,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1514.0 33.8,1528.8 192.4,1195.2 313.1,1250.2 434.2,930.1 -0.0,727.3 0.0,-0.0 1731.0,0.0 1731.0,884.4 1632.5,884.6 1644.4,1724.9 1565.8,1884.3 1448.3,1822.6 1431.1,2008.0 -0.0,2008.0 -0.0,1514.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0111/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17708327570784,42.691164599394526]}},{"type":"Feature","properties":{"resourceCoords":[1731.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1742979772734,42.693323417018156]}},{"type":"Feature","properties":{"resourceCoords":[1731.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17091476352354,42.69093180055743]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17370006195799,42.6887729829338]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0112/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p112","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"25"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0112/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0112","type":"ImageService3","width":1731,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1731.0,0.0 1731.0,2008.0 1543.9,2008.0 919.4,1752.4 106.2,1874.1 127.7,2008.0 -0.0,2008.0 -0.0,-0.0 1731.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0112/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[155.0,1459.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1905353,42.7052924]}},{"type":"Feature","properties":{"resourceCoords":[1647.0,1082.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.187243,42.706437]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0113/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p113","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0113/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0113","type":"ImageService3","width":1737,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1009.5,1889.0 420.3,2008.0 -0.0,2008.0 -0.0,-0.0 1737.0,-0.0 1737.0,261.6 1254.5,868.6 1324.5,1006.1 1245.9,1007.5 1031.9,1282.6 1323.5,1886.4 1009.5,1889.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0113/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16825842299112,42.72391325261027]}},{"type":"Feature","properties":{"resourceCoords":[1737.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16547977246314,42.72165639097924]}},{"type":"Feature","properties":{"resourceCoords":[1737.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1690061539728,42.71927989356351]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17178480450077,42.721536755194535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0114/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p114","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0114/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0114","type":"ImageService3","width":1746,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1049.8,193.4 1547.8,160.1 1536.4,2008.0 -0.0,2008.0 -0.0,177.8 1049.8,193.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0114/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[284.0,1262.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.162961,42.687244]}},{"type":"Feature","properties":{"resourceCoords":[71.0,497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1642393,42.688246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0115__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p115 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6908.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0115__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0115","type":"ImageService3","width":1727,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,510.1 634.5,516.5 624.1,1360.7 0.0,1359.5 -0.0,2008.0 1352.4,2008.0 1374.5,1503.2 1727.0,1505.2 1727.0,431.2 1448.8,561.5 1349.5,345.4 1367.0,344.5 1369.1,165.8 1433.0,165.2 1421.4,0.0 -0.0,-0.0 0.0,510.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0115__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1124.0,1510.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.173488,42.685207]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.173409,42.690362]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0115__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p115 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2040.4"},{"label":"split_canvas_w","value":"2538.0"},{"label":"split_canvas_h","value":"3402.4"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0115__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0115","type":"ImageService3","width":1727,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.4,809.2 -0.0,825.8 0.0,1359.5 624.1,1360.7 634.5,516.5 0.0,510.1 -0.0,755.3 122.4,809.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0115__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[197.2,802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.142375,42.720369]}},{"type":"Feature","properties":{"resourceCoords":[589.5,802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.141958,42.721557]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0116/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p116","metadata":[{"label":"streets","value":"18"},{"label":"intersections","value":"24"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0116/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0116","type":"ImageService3","width":1746,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1096.1,0.0 1088.0,460.2 1144.6,449.4 1130.3,613.8 1746.0,624.8 1746.0,2008.0 -0.0,2008.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0116/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1179.0,1467.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.156139,42.682113]}},{"type":"Feature","properties":{"resourceCoords":[141.0,853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.161772,42.682227]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0117/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p117","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0117/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0117","type":"ImageService3","width":1728,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1484.5,778.1 1295.7,939.7 1295.0,948.5 890.8,1286.2 967.1,1380.5 355.0,1900.4 315.1,1913.1 316.8,2008.0 0.0,2008.0 0.0,-0.0 1606.8,0.0 1155.9,434.1 1484.5,778.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0117/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1933582700024,42.69839623294397]}},{"type":"Feature","properties":{"resourceCoords":[1728.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18969795888441,42.7037656142939]}},{"type":"Feature","properties":{"resourceCoords":[1728.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18126751945508,42.70061763418736]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18492783057307,42.69524825283743]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p12","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0012","type":"ImageService3","width":1720,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"636.6,1801.3 613.6,1687.4 -0.0,1706.1 -0.0,295.1 235.4,292.7 231.7,137.2 1136.8,123.7 1139.4,293.0 1720.0,284.4 1720.0,2008.0 1169.0,2008.0 1167.1,1806.5 636.6,1801.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[249.0,819.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.174311,42.699813]}},{"type":"Feature","properties":{"resourceCoords":[1149.0,755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.172696,42.698796]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p14","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0014","type":"ImageService3","width":1720,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2008.0 -0.0,-0.0 1720.0,0.0 1720.0,1808.0 -0.0,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[642.0,1922.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.175834,42.706561]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.174752,42.706988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p15","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"19"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0015","type":"ImageService3","width":1724,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,939.2 171.6,964.8 198.5,102.4 1487.2,102.2 1498.2,1743.0 1466.6,1741.5 1463.8,2008.0 -0.0,2008.0 -0.0,939.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1493.0,1088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.175196,42.70418]}},{"type":"Feature","properties":{"resourceCoords":[913.0,107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1739,42.705916]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p16","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"20"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0016","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"689.1,2008.0 457.6,1810.9 259.4,1763.3 259.9,118.8 898.5,123.8 898.2,-0.0 1513.7,-0.0 1507.4,1212.1 1258.4,2008.0 689.1,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[536.0,118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1728604,42.7046526]}},{"type":"Feature","properties":{"resourceCoords":[259.0,1338.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.175663,42.703973]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p17","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0017","type":"ImageService3","width":1724,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1031.2,1862.8 -0.0,1639.6 -0.0,212.2 230.0,257.5 464.1,450.0 1031.8,440.4 1162.2,25.0 1724.0,100.9 1724.0,1854.2 1684.5,1812.8 1226.0,1701.8 1155.4,1820.4 1031.2,1862.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[841.0,1061.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1772985,42.701636]}},{"type":"Feature","properties":{"resourceCoords":[802.0,1194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.177616,42.701579]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p18","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0018","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"158.2,1930.7 153.7,1036.4 -0.0,1038.5 -0.0,514.2 32.6,527.5 257.7,11.0 662.8,239.1 1652.3,501.8 1473.2,1176.3 1603.8,1212.8 1596.5,1923.6 158.2,1930.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[33.0,528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1742842,42.7011416]}},{"type":"Feature","properties":{"resourceCoords":[1652.0,502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.171641,42.703213]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0019","type":"ImageService3","width":1721,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2008.0 0.0,0.0 1499.6,0.0 1235.8,326.5 1469.8,385.6 1627.6,2008.0 -0.0,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18096234210647,42.71193307607179]}},{"type":"Feature","properties":{"resourceCoords":[1721.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1774754097017,42.71353620167981]}},{"type":"Feature","properties":{"resourceCoords":[1721.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1749476350323,42.71052570329303]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17843456743707,42.70892257768501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0002","type":"ImageService3","width":1724,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1429.9,2008.0 1434.7,1846.5 122.0,1807.1 140.9,867.0 295.2,896.8 326.8,0.0 1724.0,0.0 1724.0,2008.0 1429.9,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,1536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.182991,42.7036089]}},{"type":"Feature","properties":{"resourceCoords":[122.0,1954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.182758,42.702912]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p20","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0020","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"449.9,796.8 212.4,743.2 471.9,405.4 -0.0,418.1 0.0,0.0 1480.2,0.0 1483.4,609.5 1484.1,609.7 1486.6,1820.5 1390.9,1650.7 1089.9,1820.5 572.5,1836.1 449.9,796.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[865.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.175415,42.711546]}},{"type":"Feature","properties":{"resourceCoords":[450.0,797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.177499,42.712724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p21","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0021","type":"ImageService3","width":1723,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1406.8,148.7 1404.0,940.2 1723.0,909.1 1723.0,2008.0 955.8,2008.0 948.6,984.7 348.7,1043.2 343.3,526.5 179.8,222.7 351.2,130.6 1406.8,148.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[944.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.173443,42.711215]}},{"type":"Feature","properties":{"resourceCoords":[1404.0,940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.174481,42.709804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p22","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"23"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0022","type":"ImageService3","width":1714,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.9,939.5 158.0,146.0 1586.3,139.4 1547.5,802.6 155.9,939.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[791.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1720871,42.7095902]}},{"type":"Feature","properties":{"resourceCoords":[325.0,923.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.174238,42.709569]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p23","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0023","type":"ImageService3","width":1718,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"200.8,1871.5 296.0,133.9 1484.0,133.0 1482.3,1881.9 200.8,1871.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1484.0,1486.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.17239,42.705417]}},{"type":"Feature","properties":{"resourceCoords":[1484.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.169636,42.706639]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p24","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0024","type":"ImageService3","width":1713,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1441.6,152.1 1476.9,1767.2 869.1,1769.9 870.0,1892.1 239.3,1890.0 231.1,149.4 1441.6,152.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[512.0,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1728604,42.7046526]}},{"type":"Feature","properties":{"resourceCoords":[1468.0,1158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.170193,42.703867]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p25","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0025","type":"ImageService3","width":1720,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.8,137.3 1271.1,134.5 1308.1,277.1 1555.9,277.0 1555.8,-0.0 1720.0,-0.0 1720.0,1092.9 1445.9,1167.9 1544.5,1552.8 851.1,1731.1 849.8,1867.6 146.9,1869.5 113.8,137.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[138.0,1152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.170193,42.703867]}},{"type":"Feature","properties":{"resourceCoords":[1271.0,134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1667474,42.7030852]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p26","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0026","type":"ImageService3","width":1713,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"267.0,1867.5 275.1,194.9 1100.7,194.5 1060.5,-0.0 1713.0,-0.0 1713.0,2008.0 1464.5,2008.0 1428.7,1870.0 267.0,1867.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[641.0,195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.164318,42.705746]}},{"type":"Feature","properties":{"resourceCoords":[267.0,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.168161,42.704811]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p27","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0027","type":"ImageService3","width":1714,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1533.3,0.0 1714.0,42.8 1714.0,1823.2 1211.6,1817.8 626.4,1526.0 627.1,1768.5 324.9,1935.0 213.0,1738.5 204.7,358.9 1330.7,428.4 1533.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1200.0,705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1733691,42.7145359]}},{"type":"Feature","properties":{"resourceCoords":[210.0,950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.175109,42.713293]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p28","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"19"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0028","type":"ImageService3","width":1713,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1292.0,1866.0 232.1,1851.5 432.4,1742.7 270.6,1434.8 37.3,1434.8 332.0,846.6 328.7,370.9 461.1,156.3 1240.0,162.6 1236.4,590.9 1356.3,642.6 1471.3,646.1 1538.7,489.9 1533.3,1863.2 1292.0,1866.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1292.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.17288,42.710523]}},{"type":"Feature","properties":{"resourceCoords":[1540.0,166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1691499,42.7116941]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p29","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0029","type":"ImageService3","width":1717,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1444.1,161.6 1442.2,1818.3 271.1,1835.2 264.3,163.3 1444.1,161.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.0,1096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.17009,42.709653]}},{"type":"Feature","properties":{"resourceCoords":[1056.0,1823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.171584,42.708994]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p3","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"22"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0003","type":"ImageService3","width":1729,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2008.0 -0.0,42.1 916.0,23.0 1660.2,473.1 1624.7,2008.0 -0.0,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[430.0,886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.188892,42.703389]}},{"type":"Feature","properties":{"resourceCoords":[1661.0,1135.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1859384,42.7036014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p30","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0030","type":"ImageService3","width":1716,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1488.7,148.6 1465.5,1846.5 249.1,1844.6 259.8,134.5 1488.7,148.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1479.0,1104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.168146,42.707277]}},{"type":"Feature","properties":{"resourceCoords":[1077.0,148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.166733,42.70871]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p31","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0031","type":"ImageService3","width":1711,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1463.9,181.9 1451.8,1873.9 213.3,1865.5 230.2,176.9 1463.9,181.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[224.0,1127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.168146,42.707277]}},{"type":"Feature","properties":{"resourceCoords":[1029.0,180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.165282,42.706932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p32","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0032","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1611.1,224.0 1608.5,1926.2 -0.0,1923.7 -0.0,1360.6 419.3,1534.7 414.2,1280.2 409.3,1158.0 632.0,752.9 825.9,832.0 825.6,6.1 1611.1,224.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[427.0,1924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.166733,42.70871]}},{"type":"Feature","properties":{"resourceCoords":[1212.0,1924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.165766,42.70753]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p33","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0033","type":"ImageService3","width":1720,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1720.0,1603.6 1348.6,1602.8 1388.2,1796.4 139.4,1793.5 141.3,81.9 1303.8,415.4 1334.8,468.6 1309.8,698.4 1720.0,798.8 1720.0,890.6 1293.0,846.3 1287.8,913.2 1288.0,1027.5 1701.2,1274.7 1720.0,1603.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[931.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.164318,42.705746]}},{"type":"Feature","properties":{"resourceCoords":[139.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.163375,42.707776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p34","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0034","type":"ImageService3","width":1720,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,312.2 1442.8,308.2 1438.9,991.2 1488.7,1540.6 1470.5,1583.0 -0.0,1982.9 -0.0,312.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1094.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.159594,42.707086]}},{"type":"Feature","properties":{"resourceCoords":[721.0,249.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157889,42.707735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p35","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0035","type":"ImageService3","width":1713,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1395.2,70.4 1399.6,1953.5 1112.5,1952.4 1112.4,2008.0 220.9,2008.0 224.6,69.0 1395.2,70.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[619.0,1004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.155627,42.70986]}},{"type":"Feature","properties":{"resourceCoords":[1006.0,1952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15789,42.709178]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p36","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0036","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.8,2008.0 22.9,1945.8 313.0,1947.0 309.5,44.8 -0.0,42.4 0.0,-0.0 1299.9,-0.0 1309.9,51.6 1465.2,53.1 1482.4,2008.0 22.8,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1463.0,1466.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1567489,42.7064906]}},{"type":"Feature","properties":{"resourceCoords":[313.0,1947.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157892,42.708487]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p37","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"30"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0037","type":"ImageService3","width":1713,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"394.9,1603.8 0.9,668.1 194.4,667.6 232.6,76.7 1594.8,155.7 1530.6,964.5 1521.9,1867.5 1150.0,1875.8 1089.0,1923.0 1080.5,2008.0 563.4,2008.0 510.7,1880.8 212.7,2008.0 42.4,2008.0 -0.0,1900.9 -0.0,1770.3 394.9,1603.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[794.0,1472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.168624,42.712465]}},{"type":"Feature","properties":{"resourceCoords":[794.0,888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1688182,42.7134674]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p38","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"16"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0038","type":"ImageService3","width":1722,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"449.4,1695.0 448.0,1861.0 102.0,1861.8 120.3,966.1 192.7,164.4 503.4,186.0 493.6,294.9 1436.8,364.8 1578.0,1699.1 449.4,1695.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[816.0,209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.165711,42.715008]}},{"type":"Feature","properties":{"resourceCoords":[448.0,1861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.165979,42.712057]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0039","type":"ImageService3","width":1713,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"649.4,1604.8 118.2,279.3 636.0,288.2 645.8,203.8 707.6,157.8 1429.4,157.6 1417.4,1323.9 1178.9,1306.3 1178.2,1392.8 649.4,1604.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0039/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16936265509857,42.71193705699652]}},{"type":"Feature","properties":{"resourceCoords":[1713.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16537760779232,42.712405867883334]}},{"type":"Feature","properties":{"resourceCoords":[1713.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16463494991582,42.708949220577345]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16861999722207,42.70848040969053]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0004","type":"ImageService3","width":1726,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"206.8,329.2 1477.9,341.9 1468.5,1884.9 265.3,1888.6 206.8,329.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1868769172603,42.70471610443908]}},{"type":"Feature","properties":{"resourceCoords":[1726.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18294063735425,42.70540860822812]}},{"type":"Feature","properties":{"resourceCoords":[1726.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18185201275408,42.70201957507486]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18578829266013,42.70132707128582]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p40","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0040","type":"ImageService3","width":1719,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1314.3 236.4,1329.5 239.8,0.0 1378.7,0.0 1569.2,1602.2 1719.0,1601.5 1719.0,2008.0 1619.1,2008.0 1574.2,1644.8 808.3,1963.0 807.0,1752.8 345.5,1702.2 -0.0,1856.5 -0.0,1314.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1574.0,1645.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.162319,42.709847]}},{"type":"Feature","properties":{"resourceCoords":[235.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.165854,42.711396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p41","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0041","type":"ImageService3","width":1708,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"425.6,2008.0 205.1,175.3 1370.0,177.0 1398.2,1816.2 1116.5,1827.2 1116.3,1922.8 1708.0,1924.2 1708.0,2008.0 425.6,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1370.0,1354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.160364,42.711301]}},{"type":"Feature","properties":{"resourceCoords":[1370.0,177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1607918,42.7133336]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p42","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0042","type":"ImageService3","width":1719,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2008.0 -0.0,1911.8 283.4,1900.1 246.9,0.0 623.6,218.3 1105.0,311.2 1509.6,170.0 1228.1,2008.0 -0.0,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1380.0,1044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157871,42.712267]}},{"type":"Feature","properties":{"resourceCoords":[252.0,635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.160653,42.7126744]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p43","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0043","type":"ImageService3","width":1702,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.5,496.7 1509.6,1378.4 1607.2,1926.2 166.3,1947.5 152.0,1277.3 381.4,1306.6 -0.0,-0.0 481.1,-0.0 709.5,443.9 1502.6,179.7 1702.0,340.9 1487.5,496.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0043/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[158.0,1566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.156973,42.714785]}},{"type":"Feature","properties":{"resourceCoords":[1112.0,703.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.154954,42.713103]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p44","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0044","type":"ImageService3","width":1711,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1389.0,1953.0 412.7,1957.2 316.5,1409.0 296.9,526.8 1010.9,71.7 1376.5,59.6 1389.0,1953.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[995.0,1007.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.155632,42.711236]}},{"type":"Feature","properties":{"resourceCoords":[1389.0,1953.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157884,42.710566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p46","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"14"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0046","type":"ImageService3","width":1713,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.9,1400.0 121.4,19.5 1713.0,655.8 1713.0,1783.7 1283.8,1814.3 1296.4,2008.0 401.2,2008.0 391.6,1878.1 211.1,1891.0 123.9,1400.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[483.0,161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1736982,42.7173797]}},{"type":"Feature","properties":{"resourceCoords":[662.0,1858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.177114,42.715763]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p47","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0047","type":"ImageService3","width":1711,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.2,68.4 1478.3,713.0 1529.3,1211.3 1711.0,1211.8 1711.0,2008.0 -0.0,2008.0 -0.0,44.9 1544.2,68.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0047/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1134.0,713.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.177138,42.717479]}},{"type":"Feature","properties":{"resourceCoords":[334.0,1214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.179132,42.718224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0048","type":"ImageService3","width":1712,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"815.4,1919.3 69.6,580.5 -0.0,620.2 -0.0,0.0 1468.8,0.0 1471.6,1156.6 1471.3,1584.7 815.4,1919.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0048/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17735813716081,42.72078904089069]}},{"type":"Feature","properties":{"resourceCoords":[1712.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17329098246937,42.72085049942299]}},{"type":"Feature","properties":{"resourceCoords":[1712.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17319355425836,42.717321041216586]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1772607089498,42.71725958268429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p49","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0049","type":"ImageService3","width":1711,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"223.1,2008.0 216.9,871.3 216.7,854.8 -0.0,855.5 -0.0,-0.0 1628.2,0.0 1091.7,475.5 1366.5,790.0 1454.4,853.7 1467.8,1606.6 939.5,2008.0 223.1,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[520.0,177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1731689,42.7220451]}},{"type":"Feature","properties":{"resourceCoords":[832.0,2076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1723422,42.7187083]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p5","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0005","type":"ImageService3","width":1728,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1722.2,2008.0 161.7,2008.0 122.5,1334.1 417.2,1332.8 418.3,142.6 1612.8,154.5 1609.0,1766.9 1728.0,1767.4 1722.2,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1027.0,148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.182177,42.701092]}},{"type":"Feature","properties":{"resourceCoords":[419.0,1733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.186169,42.701467]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p50","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0050","type":"ImageService3","width":1698,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"262.1,277.5 968.8,330.4 1494.2,4.0 1481.9,1923.0 406.8,1912.0 224.7,1949.7 262.1,277.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[231.0,707.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.173786,42.7180564]}},{"type":"Feature","properties":{"resourceCoords":[542.0,1914.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.172787,42.716008]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p51","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"15"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0051","type":"ImageService3","width":1711,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1490.1,187.6 1485.1,1593.1 1293.1,1604.6 1395.8,1815.2 1181.5,1796.3 413.8,184.9 1490.1,187.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1488.0,593.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.170485,42.715438]}},{"type":"Feature","properties":{"resourceCoords":[861.0,188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1720489,42.71605]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p52","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"18"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0052","type":"ImageService3","width":1698,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1536.7,1828.3 183.2,1844.0 160.6,217.6 1541.0,200.0 1536.7,1828.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[951.0,1018.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.168719,42.716259]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.167459,42.717759]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p53","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"24"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0053","type":"ImageService3","width":1714,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.0,1926.0 176.6,1934.9 170.8,828.4 221.9,791.0 254.8,32.0 541.8,271.5 819.3,604.3 1117.0,0.0 1465.1,0.0 1514.4,61.5 1360.9,388.1 1551.2,628.4 1557.0,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[232.0,436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.170877,42.720175]}},{"type":"Feature","properties":{"resourceCoords":[1557.0,1926.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.167459,42.717759]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p54","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"21"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0054","type":"ImageService3","width":1706,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"224.9,1991.6 205.4,702.9 13.8,466.2 226.6,0.0 1706.0,0.0 1706.0,979.2 1466.9,1034.9 1467.2,1778.4 529.9,1783.3 528.9,2008.0 224.9,1991.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1666898,42.7208603]}},{"type":"Feature","properties":{"resourceCoords":[220.0,1674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.167522,42.718316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p55","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"25"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0055","type":"ImageService3","width":1714,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"226.2,260.4 423.6,259.1 433.0,273.7 534.0,280.2 537.5,52.5 1487.0,57.8 1446.7,1897.0 1474.8,2008.0 523.0,2008.0 524.7,1898.0 211.3,1899.3 226.2,260.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[534.0,1076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.166583,42.716389]}},{"type":"Feature","properties":{"resourceCoords":[534.0,261.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1667337,42.7177997]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p56","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"28"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0056","type":"ImageService3","width":1706,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"770.2,287.3 1195.3,304.0 1263.8,166.9 1253.3,306.4 1577.8,323.5 1195.3,1075.3 1610.3,1091.0 1332.3,1621.7 1294.4,1964.8 886.9,1765.3 140.7,1994.2 115.0,1897.4 141.0,54.9 764.7,40.5 770.2,287.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1195.0,304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.162004,42.717979]}},{"type":"Feature","properties":{"resourceCoords":[136.0,1066.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1643698,42.7165321]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p57","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0057","type":"ImageService3","width":1717,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"274.9,1857.7 146.9,738.2 907.4,565.9 1583.0,962.7 1269.5,1498.1 1442.3,1595.3 1448.8,1848.3 274.9,1857.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0057/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1647957076907,42.716166694564805]}},{"type":"Feature","properties":{"resourceCoords":[1717.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16078654439978,42.716593542861816]}},{"type":"Feature","properties":{"resourceCoords":[1717.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16011189386867,42.71312429556732]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16412105715959,42.71269744727031]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p58","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"27"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0058","type":"ImageService3","width":1710,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1571.7,0.0 1641.2,1781.2 1251.2,2008.0 734.7,2008.0 103.8,1786.1 325.4,1168.7 -0.0,1046.6 -0.0,679.4 229.0,97.4 912.8,0.0 1571.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1596595,42.7155845]}},{"type":"Feature","properties":{"resourceCoords":[1618.0,1189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157878,42.714779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p59","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0059","type":"ImageService3","width":1717,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"787.0,1842.7 775.7,1599.9 162.2,1629.0 146.0,885.9 383.8,825.1 366.1,0.0 700.7,0.0 1268.3,742.5 1633.7,937.7 1205.9,1849.0 787.0,1842.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1399.0,1474.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.161583,42.718654]}},{"type":"Feature","properties":{"resourceCoords":[146.0,886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1646469,42.7195861]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p6","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"21"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0006","type":"ImageService3","width":1721,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.3,48.6 1458.4,71.9 1455.5,232.3 1721.0,229.1 1721.0,716.9 1446.0,800.8 1534.0,1858.2 1002.1,2008.0 888.2,1643.3 157.5,1866.8 154.3,48.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[158.0,1276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.182177,42.701092]}},{"type":"Feature","properties":{"resourceCoords":[754.0,2113.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.180365,42.699916]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p60","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0060","type":"ImageService3","width":1710,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"324.2,1059.1 -0.0,1066.4 -0.0,927.8 328.2,130.2 846.0,186.5 1002.1,243.1 1681.7,926.8 1692.2,1620.0 994.6,1760.6 -0.0,1831.2 324.2,1059.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0060/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16185516319818,42.71984630780085]}},{"type":"Feature","properties":{"resourceCoords":[1710.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15781466426314,42.719831967700664]}},{"type":"Feature","properties":{"resourceCoords":[1710.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15783742341127,42.71632148872678]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1618779223463,42.71633582882696]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0061__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p61 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4758.8"},{"label":"split_canvas_w","value":"2859.6"},{"label":"split_canvas_h","value":"3273.2"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0061__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0061","type":"ImageService3","width":1717,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.8,2008.0 587.1,1570.5 605.3,1478.9 346.9,1212.4 135.4,1189.8 134.9,1189.8 67.8,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0061__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[586.9,1570.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157913,42.71943]}},{"type":"Feature","properties":{"resourceCoords":[240.0,1880.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157898,42.718618]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0061__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p61 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6868.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0061__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0061","type":"ImageService3","width":1717,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1541.2,336.4 1717.0,355.1 1717.0,0.0 48.4,0.0 109.2,32.8 265.2,987.9 548.9,1378.2 899.4,1626.8 1018.0,1820.4 1029.0,1866.6 1537.5,1759.5 1541.2,336.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0061__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[258.0,963.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.161977,42.7199294]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,1759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.158396,42.719888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p62","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0062","type":"ImageService3","width":1709,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"184.9,1203.6 7.9,309.6 182.9,282.4 107.8,0.0 1709.0,0.0 1709.0,586.5 1668.4,569.1 1657.3,954.5 1526.2,1770.0 493.6,1996.5 184.9,1203.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[96.0,778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15962,42.721279]}},{"type":"Feature","properties":{"resourceCoords":[1584.0,1331.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.155865,42.721071]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p63","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"25"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0063","type":"ImageService3","width":1714,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.3,1828.4 417.6,451.8 1438.0,149.1 1421.2,565.2 1530.8,1573.7 591.0,1836.2 143.3,1828.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1461.0,799.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.155339,42.719215]}},{"type":"Feature","properties":{"resourceCoords":[1508.0,1228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15502,42.718505]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p64","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"21"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0064","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1325.3,2003.8 245.2,1693.8 141.6,2008.0 73.4,2008.0 142.5,1210.0 -0.0,533.0 -0.0,262.4 325.3,252.7 1715.0,1.0 1715.0,1453.2 1504.2,1359.2 1325.3,2003.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[503.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157881,42.716273]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,1637.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.156973,42.714785]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p65","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0065","type":"ImageService3","width":1714,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.1,555.2 103.5,172.4 146.2,184.4 121.7,0.0 1714.0,0.0 1714.0,214.0 1574.5,328.9 1714.0,413.5 1714.0,712.5 1467.9,1134.1 1459.2,1300.3 1568.6,1431.4 1119.5,1430.2 1063.5,1642.9 119.1,1650.1 143.1,555.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0065/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15647573144285,42.72265870292347]}},{"type":"Feature","properties":{"resourceCoords":[1714.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15247307886547,42.72310796226007]}},{"type":"Feature","properties":{"resourceCoords":[1714.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15176168930162,42.719638650731326]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.155764341879,42.71918939139472]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p66","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0066","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"112.5,550.0 568.7,382.1 758.5,153.7 706.6,0.0 1715.0,0.0 1715.0,2008.0 -0.0,2008.0 -0.0,1013.5 84.6,911.8 -0.0,841.5 -0.0,669.5 112.5,550.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[807.0,298.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.151991,42.722287]}},{"type":"Feature","properties":{"resourceCoords":[921.0,1730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.149261,42.720766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p67","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"18"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0067","type":"ImageService3","width":1717,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"385.0,1746.7 332.6,1421.7 326.1,1370.7 148.2,225.0 1097.7,215.3 1153.8,0.0 1717.0,0.0 1717.0,1314.0 1486.8,1373.0 1478.4,1913.1 864.8,1735.0 385.0,1746.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[543.0,221.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.154697,42.719947]}},{"type":"Feature","properties":{"resourceCoords":[1066.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.153348,42.719427]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0068__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p68 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"5052.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1807.2"},{"label":"split_canvas_h","value":"4453.6"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0068__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0068","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1609.0,947.6 1631.1,4.8 1263.4,0.0 1263.2,745.7 1360.0,824.5 1609.0,947.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0068__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1609.0,432.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.148094,42.717895]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,947.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.147386,42.717254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0069__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p69 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6852.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0069__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0069","type":"ImageService3","width":1713,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1866.1 119.3,1864.9 119.2,1971.3 828.0,1964.0 836.7,2008.0 846.1,1193.1 1404.9,1198.3 1603.5,1286.7 1706.1,1284.3 1713.0,1269.6 1713.0,883.6 1675.1,862.9 1713.0,867.6 1713.0,0.0 1260.3,0.0 1093.9,508.5 566.2,158.4 108.9,27.4 117.5,1443.5 -0.0,1422.9 22.9,1437.8 -0.0,1866.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0069__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[828.0,323.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.152692,42.717385]}},{"type":"Feature","properties":{"resourceCoords":[828.0,1964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.150992,42.714814]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p7","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0007","type":"ImageService3","width":1732,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,447.4 -0.0,447.2 -0.0,98.3 1599.3,96.2 1663.3,1808.6 -0.0,1882.3 -0.0,447.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[898.0,1468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.182729,42.697467]}},{"type":"Feature","properties":{"resourceCoords":[898.0,109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.183486,42.699788]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0070","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,431.4 559.9,367.6 859.0,457.5 877.5,400.2 827.5,15.9 786.9,0.0 1507.4,0.0 1629.7,325.2 1698.5,346.1 1578.4,1703.7 171.3,1878.4 -0.0,431.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0070/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15207676641263,42.71674691020882]}},{"type":"Feature","properties":{"resourceCoords":[1715.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14826130886213,42.717699941608075]}},{"type":"Feature","properties":{"resourceCoords":[1715.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.146753225641,42.71439451365325]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15056868319151,42.71344148225399]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0071__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p71 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6864.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0071__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0071","type":"ImageService3","width":1716,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.1,1894.7 1332.5,1376.2 1506.2,772.4 1716.0,771.1 1716.0,74.3 106.0,58.0 106.0,764.0 -0.0,762.8 0.0,1541.5 618.4,1531.9 704.7,1530.5 705.6,1570.1 708.0,1681.0 823.3,1698.8 930.1,1942.7 1487.1,1894.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0071__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[106.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.150992,42.714814]}},{"type":"Feature","properties":{"resourceCoords":[106.0,764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.152496,42.714263]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p72","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0072","type":"ImageService3","width":1717,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1717.0,-0.0 1717.0,1978.5 1547.5,1947.6 1539.8,1989.6 287.2,1779.3 -0.0,1319.7 -0.0,683.9 203.7,623.9 24.2,-0.0 722.0,-0.0 745.5,40.8 816.1,-0.0 1717.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0072/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[287.0,1779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.153438,42.711233]}},{"type":"Feature","properties":{"resourceCoords":[1072.0,1904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.153392,42.70986]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p73","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0073","type":"ImageService3","width":1716,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"441.0,-0.0 781.5,151.7 1716.0,136.1 1716.0,1616.5 1579.0,1620.3 1589.0,1965.0 969.6,1630.6 981.7,1575.4 53.5,1361.6 366.3,-0.0 441.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[198.0,731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1489268,42.7142343]}},{"type":"Feature","properties":{"resourceCoords":[1001.0,1585.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.149306,42.712245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p74","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0074","type":"ImageService3","width":1728,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1631.7,2008.0 -0.0,2008.0 -0.0,1624.7 133.8,1624.8 175.3,179.2 1637.5,188.2 1631.7,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0074/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[594.0,527.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1456116,42.7118924]}},{"type":"Feature","properties":{"resourceCoords":[1632.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1446701,42.7100895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0075__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p75 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2412.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0075__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0075","type":"ImageService3","width":1690,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"578.8,0.0 0.0,0.0 0.0,234.4 0.0,696.6 0.0,777.7 0.0,1207.0 0.0,1373.0 0.0,2008.0 603.0,2008.0 578.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0075__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[530.0,565.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1470372,42.7030003]}},{"type":"Feature","properties":{"resourceCoords":[530.0,1910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1533995,42.7024236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0076__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p76 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4487.6"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0076__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0076","type":"ImageService3","width":1722,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1121.9,2008.0 999.9,1396.7 977.5,0.0 -0.0,0.0 -0.0,1814.6 977.0,2008.0 1121.9,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0076__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[336.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1534034,42.7061297]}},{"type":"Feature","properties":{"resourceCoords":[143.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1534079,42.7064919]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p77","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0077","type":"ImageService3","width":1713,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1491.0 115.5,-0.0 408.3,-0.0 616.1,103.0 849.8,150.3 945.2,228.4 1605.6,271.5 1614.0,245.1 1614.5,272.1 1713.0,278.5 1713.0,2008.0 -0.0,2008.0 -0.0,1491.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,1550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.144828,42.708244]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.141686,42.708813]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p79","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0079","type":"ImageService3","width":1715,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"248.3,396.5 388.8,418.1 286.5,0.0 1410.8,0.0 1397.9,16.0 1564.8,156.7 1622.9,110.2 1675.6,98.1 1619.2,192.2 1715.0,268.6 1715.0,1378.5 1702.4,1334.5 1487.6,1394.6 1482.4,1437.4 1379.3,1424.9 1136.2,1492.9 1115.0,1602.9 898.4,1604.1 954.8,1713.5 270.1,1912.8 86.7,1264.8 248.3,396.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0079/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14988763703111,42.71803627731352]}},{"type":"Feature","properties":{"resourceCoords":[1715.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14244515819115,42.72050761601276]}},{"type":"Feature","properties":{"resourceCoords":[1715.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.13853446773054,42.71406005285961]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1459769465705,42.71158871416037]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0008","type":"ImageService3","width":1721,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.8,1919.9 132.4,177.6 879.9,0.0 972.9,371.3 1516.2,254.9 1587.5,366.7 1721.0,408.2 1721.0,1356.5 1428.5,1527.6 1351.7,1767.5 1256.2,1905.0 106.8,1919.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18227766999686,42.700325999537895]}},{"type":"Feature","properties":{"resourceCoords":[1721.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17842535290048,42.701174280375476]}},{"type":"Feature","properties":{"resourceCoords":[1721.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17708806330613,42.69784767032278]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18094038040252,42.6969993894852]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0080__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p80 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6908.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0080__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0080","type":"ImageService3","width":1727,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.0,178.9 125.4,724.5 81.8,724.8 90.5,858.2 48.8,962.8 33.7,1074.0 -0.0,1121.2 -0.0,2008.0 1090.3,2008.0 1393.4,1108.7 1727.0,1112.0 1727.0,0.0 1494.2,0.0 1476.6,41.6 1376.8,0.0 1113.2,0.0 1079.0,84.0 1052.0,107.6 908.2,48.5 842.5,45.0 867.5,171.1 123.0,178.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0080__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1052.0,108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1419478,42.7144713]}},{"type":"Feature","properties":{"resourceCoords":[1166.0,462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1405096,42.713806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0081__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p81 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"2577.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4234.4"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0081__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0081","type":"ImageService3","width":1703,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1430.1,141.8 1235.2,201.9 1212.5,163.9 1400.3,76.4 1357.5,0.0 644.4,-0.0 956.1,1201.5 956.5,2008.0 1002.0,2008.0 1043.2,2008.0 1007.8,1825.2 1080.7,1811.1 1515.7,1812.5 1517.1,543.0 1502.8,257.6 1476.7,243.3 1430.1,141.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0081__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1517.1,1133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1567489,42.7064906]}},{"type":"Feature","properties":{"resourceCoords":[1517.1,543.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1596496,42.7064852]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p82","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0082","type":"ImageService3","width":1732,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"185.6,2008.0 189.3,-0.0 1732.0,-0.0 1732.0,2008.0 185.6,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[186.0,396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.169297,42.701409]}},{"type":"Feature","properties":{"resourceCoords":[186.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.171671,42.699589]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0084__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p84 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6876.0"},{"label":"split_canvas_h","value":"4802.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0084__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0084","type":"ImageService3","width":1719,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"177.1,96.3 174.7,1199.9 1515.4,1200.4 1515.5,1106.5 1644.0,1105.5 1654.4,688.0 1719.0,666.9 1719.0,0.0 -0.0,0.0 -0.0,38.6 139.4,39.0 133.5,96.5 177.1,96.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0084__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[134.0,96.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1533995,42.7024236]}},{"type":"Feature","properties":{"resourceCoords":[1644.0,1105.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.149491,42.700955]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p85","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0085","type":"ImageService3","width":1709,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1775.2 -0.0,1103.4 129.9,1102.2 140.6,658.7 205.4,658.5 204.8,0.0 1183.3,29.4 1201.7,655.2 1312.0,655.0 1312.0,1090.0 1601.3,1086.9 1604.9,1925.8 129.0,1951.5 129.2,1773.8 -0.0,1775.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1312.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.146688,42.701216]}},{"type":"Feature","properties":{"resourceCoords":[1312.0,655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.146808,42.701975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0086__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p86 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6876.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0086__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0086","type":"ImageService3","width":1719,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"373.6,1948.4 345.8,1947.6 346.2,2008.0 1242.0,2008.0 1467.0,2008.0 1719.0,2008.0 1719.0,0.0 1496.9,0.0 0.0,0.0 -0.0,639.4 112.6,642.5 99.6,1086.5 395.0,1092.0 373.6,1948.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0086__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[395.0,1515.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.145859,42.70056]}},{"type":"Feature","properties":{"resourceCoords":[395.0,1092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.146002,42.70128]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p87","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0087","type":"ImageService3","width":1704,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.8,1920.7 82.0,861.9 -0.0,861.0 0.0,0.0 1445.2,0.0 1393.0,1546.4 1034.0,1542.2 1024.3,1939.8 63.8,1920.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0087/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,1153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1658,42.697125]}},{"type":"Feature","properties":{"resourceCoords":[1359.0,1546.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1626172,42.6972264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p88","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0088/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0088","type":"ImageService3","width":1719,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"653.1,1908.6 654.0,1950.2 -0.0,1915.1 0.0,0.0 1719.0,0.0 1719.0,250.6 1617.5,421.1 1581.5,595.4 1603.5,1899.1 653.1,1908.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0088/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16393742826912,42.70048280435289]}},{"type":"Feature","properties":{"resourceCoords":[1719.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16001120075231,42.70141061455871]}},{"type":"Feature","properties":{"resourceCoords":[1719.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15854682130454,42.698016264363915]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16247304882135,42.69708845415809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0089/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p89","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0089/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0089","type":"ImageService3","width":1706,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"190.1,610.4 261.6,376.6 340.1,261.8 347.6,5.8 1524.1,0.0 1516.2,34.8 1706.0,64.7 1706.0,1115.4 1528.0,1075.0 1514.0,1971.2 173.5,1942.8 190.1,610.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0089/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[190.0,1078.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.159527,42.699564]}},{"type":"Feature","properties":{"resourceCoords":[1528.0,1075.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.156547,42.700335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0009","type":"ImageService3","width":1733,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1490.5,179.7 1467.8,226.2 1733.0,215.3 1733.0,2008.0 449.5,2008.0 200.7,1773.4 73.3,1913.5 92.3,194.2 1490.5,179.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1803828558349,42.697448868110946]}},{"type":"Feature","properties":{"resourceCoords":[1733.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17922009812041,42.69454948176163]}},{"type":"Feature","properties":{"resourceCoords":[1733.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18375898810844,42.693552296262695]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18492174582293,42.696451682612015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p90","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0090","type":"ImageService3","width":1726,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"419.1,1956.5 237.6,1089.6 418.0,1089.8 189.8,77.0 -0.0,89.5 -0.0,-0.0 1687.8,0.0 1682.0,58.2 1726.0,57.9 1726.0,1942.0 419.1,1956.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0090/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[568.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1557614,42.7004006]}},{"type":"Feature","properties":{"resourceCoords":[1559.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15341,42.700599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0091/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p91","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0091/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0091","type":"ImageService3","width":1706,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"311.0,49.5 311.7,0.0 1513.8,9.9 1531.5,1979.7 1706.0,1916.2 1642.3,1972.6 1706.0,2008.0 -0.0,2008.0 -0.0,996.2 19.5,969.1 134.3,1031.5 215.3,853.2 214.1,48.3 311.0,49.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0091/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17339441311685,42.691929733760844]}},{"type":"Feature","properties":{"resourceCoords":[1706.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1706479651353,42.69412009817098]}},{"type":"Feature","properties":{"resourceCoords":[1706.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16716496751249,42.69172731173969]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16991141549404,42.68953694732956]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0092__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p92 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6924.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0092__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0092","type":"ImageService3","width":1731,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1085.1,1621.4 934.2,1201.6 1405.9,341.3 913.6,74.0 936.3,32.3 1030.4,0.0 115.2,0.0 114.2,1394.1 135.2,1974.3 1085.1,1621.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0092__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,1238.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.168799,42.692389]}},{"type":"Feature","properties":{"resourceCoords":[116.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.170844,42.693797]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p93","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0093/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0093","type":"ImageService3","width":1712,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.7,1940.5 1472.0,2008.0 -0.0,2008.0 -0.0,1479.9 104.9,1424.2 -0.0,1223.3 -0.0,180.0 492.1,169.5 491.5,86.8 1553.1,82.5 1569.5,2008.0 1508.8,2008.0 1435.7,1940.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0093/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16619199365265,42.69846761230603]}},{"type":"Feature","properties":{"resourceCoords":[1712.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16491744041035,42.69563666286255]}},{"type":"Feature","properties":{"resourceCoords":[1712.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16940362197768,42.69453020941754]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17067817521998,42.69736115886103]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p94","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0094","type":"ImageService3","width":1725,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1961.1 581.3,1312.8 249.4,1011.8 262.1,31.8 1623.9,40.3 1580.0,173.2 1012.1,821.3 1549.2,833.9 1546.8,1141.8 1319.0,1139.7 1325.2,1289.8 995.0,1433.0 998.4,1923.2 766.4,2008.0 -0.0,2008.0 -0.0,1961.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0094/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16886857637562,42.69499887027737]}},{"type":"Feature","properties":{"resourceCoords":[1725.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16502566261012,42.6959778852341]}},{"type":"Feature","properties":{"resourceCoords":[1725.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16348598331723,42.69266681102145]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16732889708273,42.69168779606471]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0095/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p95","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0095/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0095","type":"ImageService3","width":1712,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"866.0,1846.7 861.9,1815.2 -0.0,1927.9 -0.0,1485.3 326.6,1344.3 321.4,1195.4 546.0,1198.1 550.5,893.0 21.2,879.1 585.5,238.2 629.7,106.6 1583.8,121.5 1579.0,1599.6 1712.0,1630.0 1712.0,1789.4 866.0,1846.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0095/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1099.0,494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1638545,42.6954835]}},{"type":"Feature","properties":{"resourceCoords":[1577.0,494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1627752,42.6957609]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0096__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p96 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6892.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0096__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0096","type":"ImageService3","width":1723,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"460.3,2008.0 1165.9,2008.0 1488.0,1913.2 1066.3,0.0 855.8,0.0 65.0,173.1 460.3,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0096__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1261.0,878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.160329,42.6960486]}},{"type":"Feature","properties":{"resourceCoords":[65.0,173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.163348,42.697043]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0097/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p97","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0097/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0097","type":"ImageService3","width":1720,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1345.2,20.3 1359.8,1951.8 383.6,2008.0 386.7,10.5 1345.2,20.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0097/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[386.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.160329,42.6960486]}},{"type":"Feature","properties":{"resourceCoords":[1336.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157826,42.695804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0098/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p98","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0098/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0098","type":"ImageService3","width":1725,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1533.5,333.6 1531.7,1735.0 192.0,1724.0 201.1,314.2 1533.5,333.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0098/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[192.0,784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.158549,42.6973568]}},{"type":"Feature","properties":{"resourceCoords":[192.0,1724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.157826,42.695804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0099/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lawrence, Massachusetts | 1949 | sanborn03761_004 p99","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T04:28:52Z","modified":"2026-09-21T04:28:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0099/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0099","type":"ImageService3","width":1720,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"190.4,2008.0 191.9,704.0 -0.0,701.7 12.9,145.8 192.6,145.9 192.7,73.8 1575.2,72.7 1569.5,1741.2 190.4,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037611949:03761_1949-0099/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1114.0,1086.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.153403,42.697472]}},{"type":"Feature","properties":{"resourceCoords":[191.0,967.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1534,42.69909]}}]}}]}