{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03676_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Arlington, Massachusetts | 1914 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"40"},{"label":"placed","value":"31"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 23, georef-snap 8"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"10 sheet(s) cut into 22 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 42.41134,-71.14632 +/-956m); p11__2 (tier 2, 42.41405,-71.15389 +/-161m); p13__1 (tier 1, 42.41876,-71.16721 +/-100m); p15__2 (tier 1, 42.40616,-71.14502 +/-100m); p20__3 (tier 1, 42.42450,-71.17652 +/-100m); p24__2 (tier 1, 42.42612,-71.17602 +/-100m); p27__2 (tier 1, 42.41863,-71.18238 +/-110m); p9__2 (tier 1, 42.41886,-71.15771 +/-100m); p9__3 (tier 1, 42.41585,-71.15867 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p10","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"10"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.4,278.5 989.6,17.2 1613.0,0.0 1060.6,1913.0 153.0,1913.0 268.9,1166.8 127.4,278.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[621.0,129.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1555713,42.4161062]}},{"type":"Feature","properties":{"resourceCoords":[1157.0,1627.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1561304,42.4131664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p11 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1354.3,352.5 1528.7,368.4 1613.0,378.4 1613.0,330.2 885.5,263.4 161.4,413.7 121.3,539.2 114.0,1785.4 908.0,1913.0 926.6,1913.0 927.4,1362.3 1286.2,1227.4 1354.3,352.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[783.0,1890.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1545331,42.4124165]}},{"type":"Feature","properties":{"resourceCoords":[114.0,1785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1557093,42.413493]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"513.8,64.1 1613.0,-0.0 1613.0,1913.0 211.3,1913.0 29.2,1586.3 -0.0,1602.6 -0.0,889.0 588.2,594.1 513.8,64.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15635096865445,42.41432645657859]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1539353299927,42.41193407215986]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15775140718551,42.40980393783249]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16016704584726,42.412196322251226]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p13 [2]","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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1516.8,699.1 1550.1,458.4 1543.0,459.4 1506.5,297.4 1513.0,0.0 -0.0,-0.0 0.0,1299.5 357.3,1297.1 357.1,1913.0 1104.2,1913.0 1516.8,699.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1208.0,1627.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1483377,42.4114697]}},{"type":"Feature","properties":{"resourceCoords":[1523.0,462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.149716,42.4133705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1298.5,1913.0 -0.0,1913.0 0.0,-0.0 294.1,0.0 317.2,239.2 1380.9,143.5 1414.8,0.0 1457.2,0.0 1504.2,316.7 1613.0,300.6 1613.0,1416.8 1253.1,1474.3 1298.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15097883401378,42.409604678810396]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14780897819942,42.411445361942285]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14487308005599,42.40864999540811]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14804293587035,42.40680931227622]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p15 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0015__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"370.3,1913.0 1439.1,1913.0 1434.2,-0.0 459.7,0.0 462.8,435.3 0.0,434.4 -0.0,1446.0 440.6,1473.5 370.3,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[736.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.143236,42.40929]}},{"type":"Feature","properties":{"resourceCoords":[1060.0,1515.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.144424,42.407459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,158.7 1.9,158.7 3.5,-0.0 292.4,-0.0 1613.0,-0.0 1613.0,199.0 1566.5,199.3 1562.3,1331.7 1413.5,1321.3 1357.7,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14170427396382,42.408627391949736]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.13874080367653,42.40660161285265]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14197181406162,42.40398815491853]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14493528434892,42.40601393401562]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p17","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1650.0 -0.0,-0.0 1613.0,-0.0 1602.5,1645.8 -0.0,1650.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1199.0,1325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.138934,42.407548]}},{"type":"Feature","properties":{"resourceCoords":[286.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.141449,42.408041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,1718.2 75.1,1718.6 134.5,1125.2 283.8,1136.3 294.2,-0.0 1392.7,-0.0 1365.2,1221.7 1613.0,1245.6 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.13970421055448,42.4067538188643]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.13673628740924,42.404747354180564]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.13993639828256,42.402129892390796]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1429043214278,42.404136357074535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p19","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 348.2,1913.0 350.4,1713.3 101.7,1684.9 142.3,457.1 -0.0,454.6 -0.0,0.0 1613.0,-0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[632.0,821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.136829,42.403927]}},{"type":"Feature","properties":{"resourceCoords":[544.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1385,42.402774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p20 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4986.4"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0020__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1143.7 1448.0,991.9 1528.0,502.9 1613.0,502.9 1613.0,0.0 118.2,0.0 28.3,405.1 136.2,423.8 -0.0,465.9 0.0,1143.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1134.0,502.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1714032,42.4211875]}},{"type":"Feature","properties":{"resourceCoords":[1528.0,502.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1705912,42.4207604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p20 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3951.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3700.4"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0020__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 1549.7,1898.5 1450.0,1860.3 1519.1,1702.9 1261.0,1614.8 1411.8,1194.4 1485.8,987.9 0.0,1143.7 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[839.0,1651.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1747641,42.4233848]}},{"type":"Feature","properties":{"resourceCoords":[364.0,1752.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1759958,42.4235832]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1713.5 -0.0,-0.0 370.0,0.0 371.2,90.7 1128.6,209.8 1129.7,296.4 1613.0,293.4 1613.0,1913.0 1152.1,1913.0 1151.3,1853.7 0.0,1713.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1726587082078,42.41930460648434]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17030552414619,42.42171051152634]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16646742877597,42.41963569440201]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16882061283759,42.41722978936001]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p22","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,1744.0 98.9,1731.8 89.6,584.7 147.6,576.8 88.9,124.3 -0.0,135.3 -0.0,-0.0 1613.0,-0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1169.0,1296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1665064,42.4166742]}},{"type":"Feature","properties":{"resourceCoords":[1169.0,397.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1649563,42.4178916]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1301.8,1913.0 107.5,1597.4 114.0,0.0 1613.0,0.0 1613.0,85.0 1613.0,1913.0 1301.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1869271684313,42.42464714101781]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18618858128995,42.427562851230945]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18153673340865,42.42691170009697]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.18227532054999,42.423995989883835]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p24 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,445.0 0.0,1913.0 769.8,1913.0 781.1,1489.8 1042.0,1492.8 1039.2,1913.0 1177.0,1913.0 1613.0,1913.0 1613.0,520.2 1345.5,473.4 312.2,0.0 234.6,0.0 216.4,506.2 0.0,445.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1394.0,1094.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1801112,42.4264268]}},{"type":"Feature","properties":{"resourceCoords":[238.0,-35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1829936,42.4242978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0025__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p25 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4909.2"},{"label":"split_canvas_w","value":"3453.2"},{"label":"split_canvas_h","value":"2742.8"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0025__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"567.1,1913.0 752.3,1883.4 547.3,1391.6 536.2,1373.2 67.4,1376.2 0.0,1387.2 30.1,1627.8 0.0,1653.2 0.0,1913.0 567.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[110.0,1373.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.183452,42.4235901]}},{"type":"Feature","properties":{"resourceCoords":[539.2,1373.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1829936,42.4242978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0025__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p25 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0025__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"932.7,1794.5 1514.0,1913.0 1506.1,0.0 0.0,-0.0 0.0,485.7 932.7,1794.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0025__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[291.0,897.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.186073,42.422458]}},{"type":"Feature","properties":{"resourceCoords":[1514.0,1915.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1829936,42.4242978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p26","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 261.6,1913.0 319.4,1793.7 54.0,226.6 6.0,201.7 132.2,-0.0 1353.6,-0.0 1540.1,1649.5 1613.0,1641.2 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1273.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1854156,42.4205968]}},{"type":"Feature","properties":{"resourceCoords":[238.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.186073,42.422458]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0027__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p27 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0027__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1031.2,1913.0 1031.3,1113.0 1613.0,1025.7 1613.0,-0.0 -0.0,0.0 -0.0,1913.0 1031.2,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0027__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[857.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1821293,42.4194619]}},{"type":"Feature","properties":{"resourceCoords":[995.0,1554.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1844393,42.4185458]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p28","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[528.0,1111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1854699,42.4293386]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,1111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1832032,42.4301554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4296.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3356.0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 1613.0,1913.0 1613.0,1074.9 188.7,1074.1 59.9,1648.0 0.0,1639.8 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[138.0,1296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1451856,42.4136537]}},{"type":"Feature","properties":{"resourceCoords":[44.0,1725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1444562,42.4130566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p2 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4299.6"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1074.0 1613.0,1074.9 1613.0,0.0 1471.9,0.0 1390.6,0.0 224.3,0.0 221.1,75.8 175.2,59.5 0.0,856.9 0.0,1074.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[175.0,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1484484,42.4164328]}},{"type":"Feature","properties":{"resourceCoords":[21.0,751.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1472422,42.4153857]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p3 [1]","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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"130.7,1759.8 1474.3,1767.5 1613.0,1806.2 1613.0,1764.0 1436.2,1767.0 1498.1,764.7 1613.0,734.1 1613.0,0.0 1100.5,0.0 1104.3,754.4 772.9,752.1 270.9,607.6 271.0,451.4 431.9,0.0 -0.0,-0.0 -0.0,1111.8 109.0,1147.6 130.7,1759.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1471.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1543796,42.4169404]}},{"type":"Feature","properties":{"resourceCoords":[678.0,1414.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1564433,42.4168954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p3 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"1083.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3333.6"},{"label":"split_canvas_h","value":"3017.6"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"431.9,0.0 271.0,451.4 270.9,607.6 772.9,752.1 1104.3,754.4 1100.5,0.0 431.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[270.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16482721854081,42.41986578257126]}},{"type":"Feature","properties":{"resourceCoords":[1104.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16363047686526,42.42113248897804]}},{"type":"Feature","properties":{"resourceCoords":[1104.3,754.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16207821565273,42.4203342697829]}},{"type":"Feature","properties":{"resourceCoords":[270.9,754.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16327495732827,42.41906756337612]}},{"type":"Feature","properties":{"resourceCoords":[688.6,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1640251,42.4203975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"400.1,1747.2 391.9,1691.3 211.0,1721.2 125.8,690.2 239.0,641.5 145.6,0.0 1613.0,0.0 1613.0,1891.1 886.2,1745.2 922.5,1772.4 902.9,1808.6 400.1,1747.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15383453744414,42.41907885323265]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15009156677284,42.418127943381954]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15160847408059,42.414827609087794]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15535144475189,42.41577851893849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1791.8 -0.0,1634.4 33.0,1661.8 147.9,844.3 126.7,710.8 1613.0,146.9 1613.0,1150.1 1564.8,1135.2 1435.7,1859.8 -0.0,1791.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1233.0,940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1493632,42.4161859]}},{"type":"Feature","properties":{"resourceCoords":[-19.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.149716,42.4133705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.3,1510.1 25.0,73.7 361.4,56.5 355.2,-0.0 1013.1,-0.0 1035.6,163.6 1613.0,208.3 1613.0,1913.0 1184.0,1913.0 315.4,1566.9 53.3,1510.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14716031528364,42.41551737253895]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.144228649773,42.413443536064854]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14753667259195,42.410858410545444]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1504683381026,42.41293224701954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1613.0,0.0 1613.0,269.1 1481.9,259.4 1441.8,805.0 1493.9,805.4 1525.4,1913.0 0.0,1913.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[949.0,802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1625859,42.4123718]}},{"type":"Feature","properties":{"resourceCoords":[434.0,220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1644315,42.4119362]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p8","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.4,1620.1 52.3,546.2 0.0,549.7 -0.0,-0.0 1439.7,0.0 1376.8,531.6 1613.0,534.2 1613.0,1770.5 814.1,1655.4 795.0,1913.0 163.4,1620.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[630.0,194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1621268,42.414523]}},{"type":"Feature","properties":{"resourceCoords":[1064.0,528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1608897,42.4149385]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Massachusetts | 1914 | sanborn03676_006 p9 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:02:40Z","modified":"2026-09-22T23:02:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1242.8,1584.8 1053.2,1157.5 1613.0,880.5 1613.0,455.6 1296.7,460.4 1295.3,0.0 0.0,-0.0 0.0,618.2 238.9,592.6 386.7,1841.3 1242.8,1584.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036761914:03676_1914-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1413.0,979.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1578276,42.4171605]}},{"type":"Feature","properties":{"resourceCoords":[850.0,706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1591569,42.4166083]}}]}}]}