{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03776_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mansfield, Massachusetts | 1897 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"23"},{"label":"placed","value":"8"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef-snap 4, georef 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 20 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 42.03865,-71.21853 +/-130m); p4__2 (tier 1, 42.02751,-71.21907 +/-100m); p4__3 (tier 1, 42.02996,-71.21977 +/-100m); p4__4 (tier 2, 42.02895,-71.21865 +/-224m); p4__5 (tier 1, 42.02748,-71.21911 +/-108m); p6__2 (tier 1, 42.02792,-71.21932 +/-121m); p6__3 (tier 1, 42.02404,-71.21667 +/-100m); p6__4 (tier 1, 42.02453,-71.21692 +/-100m); p6__5 (tier 1, 42.02742,-71.21794 +/-100m); p8__2 (tier 1, 42.02535,-71.21430 +/-100m); p8__3 (tier 1, 42.02231,-71.21034 +/-100m); p8__4 (tier 1, 42.02542,-71.21796 +/-100m); p8__5 (tier 1, 42.02380,-71.21079 +/-100m); p8__6 (tier 1, 42.02219,-71.22028 +/-100m); p8__7 (tier 1, 42.01676,-71.21371 +/-110m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mansfield, Massachusetts | 1897 | sanborn03776_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:44:01Z","modified":"2026-10-19T14:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.6,1778.8 59.7,1746.3 53.4,1156.1 118.0,898.8 56.5,289.6 147.4,141.2 311.6,48.6 717.0,126.0 1215.0,33.6 1544.1,90.2 1522.7,1502.2 1612.0,1503.0 1612.0,1547.3 964.9,1693.5 855.3,1693.2 854.0,1742.7 423.4,1842.5 416.9,1802.1 261.8,1834.9 262.7,1856.0 97.6,1883.7 106.6,1778.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[890.0,925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.21865538006995,42.0326523353482]}},{"type":"Feature","properties":{"resourceCoords":[1458.0,925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.21720335929537,42.03274467069554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mansfield, Massachusetts | 1897 | sanborn03776_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:44:01Z","modified":"2026-10-19T14:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"36.4,1499.5 51.0,1247.4 88.7,956.2 88.2,845.1 200.3,378.9 286.9,55.1 394.2,81.2 1062.2,90.8 1072.7,47.3 1526.3,160.7 1564.7,316.2 1483.5,740.0 1564.7,1082.6 1569.2,1542.4 1612.0,1556.7 1612.0,1582.5 1147.3,1510.5 1103.1,1839.8 557.1,1752.0 336.3,1721.7 294.2,1731.5 252.0,1741.3 249.1,1730.2 33.1,1644.7 36.4,1499.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[453.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.2170960141669,42.028883616819996]}},{"type":"Feature","properties":{"resourceCoords":[1425.0,807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.21521955227428,42.030519144913065]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mansfield, Massachusetts | 1897 | sanborn03776_003 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4556.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T14:44:01Z","modified":"2026-10-19T14:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"872.9,1439.2 880.4,1186.0 909.9,893.0 906.3,781.6 1005.5,310.9 1071.6,32.5 625.1,41.3 627.1,1.0 466.8,1.0 463.5,21.1 294.6,14.0 283.9,49.1 127.0,98.8 35.2,452.0 49.5,1517.0 110.8,1684.9 64.0,1810.1 184.3,1826.5 178.2,1866.6 880.0,1878.2 874.2,1677.1 872.9,1439.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[287.0,1173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.219638,42.028606]}},{"type":"Feature","properties":{"resourceCoords":[394.0,448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.2199105,42.0299737]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mansfield, Massachusetts | 1897 | sanborn03776_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:44:01Z","modified":"2026-10-19T14:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"624.5,110.8 736.1,107.5 1141.7,101.9 1333.8,93.2 1421.8,91.2 1349.2,301.8 1338.7,304.9 1343.0,320.0 1350.0,345.0 1361.1,384.8 1341.5,597.6 1280.8,1124.2 1598.1,1152.5 1549.0,1600.6 1573.8,1599.5 1503.4,1847.1 1290.4,1871.8 1231.3,1835.8 1205.6,1837.2 1193.6,1880.9 888.4,1852.4 624.4,1822.0 494.4,1873.0 198.8,1888.2 96.9,1847.3 137.2,1348.2 159.4,1349.0 176.7,1058.6 189.2,700.8 189.4,697.2 221.3,117.2 236.2,116.9 240.6,116.8 599.0,111.4 624.5,110.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[176.0,1384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.2136986799966,42.02651436695798]}},{"type":"Feature","properties":{"resourceCoords":[602.0,108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.21727023140133,42.02663449575805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mansfield, Massachusetts | 1897 | sanborn03776_003 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3870.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T14:44:01Z","modified":"2026-10-19T14:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"591.2,1810.4 591.8,1806.4 888.1,1834.6 878.7,1784.0 891.6,1423.4 898.4,1110.3 898.8,1089.9 908.2,711.0 908.6,684.2 909.9,566.1 921.1,137.5 212.7,109.1 219.9,68.7 98.8,49.3 65.5,132.2 101.7,531.9 29.1,1564.8 64.2,1735.9 302.1,1795.2 591.2,1810.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[895.6,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.21731378379502,42.02667852869908]}},{"type":"Feature","properties":{"resourceCoords":[895.6,1417.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.21673639745963,42.02537077337232]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mansfield, Massachusetts | 1897 | sanborn03776_003 p7 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-19T14:44:01Z","modified":"2026-10-19T14:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"791.8,1.0 791.5,1.0 784.0,37.9 467.7,85.8 100.0,35.1 22.9,222.3 58.4,1737.7 127.0,1723.4 134.3,1790.5 318.2,1815.8 410.4,1894.1 1505.7,1847.7 1503.0,1912.0 1503.8,1912.0 1514.4,1912.0 1516.5,1787.8 1539.7,1787.1 1538.5,1484.0 1527.9,1107.5 1522.8,502.4 1215.3,527.6 860.6,551.6 812.0,566.0 809.5,272.6 805.5,272.5 791.8,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[812.0,566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.2164272,42.0246254]}},{"type":"Feature","properties":{"resourceCoords":[812.0,1685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.213637,42.025075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mansfield, Massachusetts | 1897 | sanborn03776_003 p7 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.23"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3600.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2852.0"},{"label":"split_canvas_h","value":"1784.0"}],"created":"2026-10-19T14:44:01Z","modified":"2026-10-19T14:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"947.0,377.3 1238.0,371.0 1490.3,371.0 1607.3,308.8 1587.0,312.2 1543.8,94.7 1024.2,16.2 981.5,35.6 992.9,287.2 932.4,375.9 947.0,377.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1238.0,371.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.213019,42.02812]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,371.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.212863,42.027412]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mansfield, Massachusetts | 1897 | sanborn03776_003 p8 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.59"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3718.4"},{"label":"split_canvas_h","value":"4892.4"}],"created":"2026-10-19T14:44:01Z","modified":"2026-10-19T14:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"894.2,1084.2 856.6,82.7 235.1,14.9 55.4,98.8 84.3,308.1 24.1,576.9 56.8,1073.6 180.2,1174.2 392.5,1208.2 610.0,1193.0 643.0,1135.7 894.2,1084.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764mm:g037761897:03776_1897-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.21820731394766,42.02085908002533]}},{"type":"Feature","properties":{"resourceCoords":[929.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.21580720627264,42.02079178181928]}},{"type":"Feature","properties":{"resourceCoords":[929.6,1223.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.21592594200757,42.01843922681942]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1223.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.21832604968259,42.01850652502547]}},{"type":"Feature","properties":{"resourceCoords":[422.8,910.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.217204,42.019078]}}]}}]}