{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03758_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ipswich, Massachusetts | 1916 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"18"},{"label":"placed","value":"13"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 12, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 42.67878,-70.84000 +/-721m); p10 (tier 1, 42.68297,-70.83248 +/-528m); p11__2 (tier 1, 42.68456,-70.84407 +/-100m); p3__2 (tier 1, 42.67822,-70.84548 +/-100m); p9__1 (tier 2, 42.67698,-70.83476 +/-223m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p11 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"13"},{"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":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.4,1913.0 165.3,1690.8 534.8,1773.9 540.5,1822.7 867.2,1758.8 1508.3,1531.8 1498.3,1488.5 1613.0,1449.0 1613.0,0.0 1221.4,0.0 1127.7,544.1 774.7,545.6 592.3,218.6 498.4,0.0 -0.0,-0.0 -0.0,1913.0 115.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[720.0,1638.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.843525,42.681589]}},{"type":"Feature","properties":{"resourceCoords":[1145.0,1660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.84205,42.68272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1322.8,255.2 1467.8,918.6 1506.7,1318.7 1504.1,1461.0 1408.3,1772.1 94.0,1370.6 87.5,607.2 -0.0,607.2 -0.0,-0.0 1613.0,0.0 1613.0,175.9 1322.8,255.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1486.0,1102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.838528,42.682222]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1371.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.84205,42.68272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p3 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"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":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1522.3,1610.8 1613.0,1502.6 1613.0,0.0 610.5,0.0 619.5,157.6 336.0,252.8 506.2,852.4 579.1,1298.0 584.6,1439.5 534.6,1642.3 533.5,1760.1 1160.5,1913.0 1500.2,1913.0 1522.3,1610.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1404.0,899.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.836349,42.681855]}},{"type":"Feature","properties":{"resourceCoords":[336.0,253.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.838114,42.683797]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4722.8"},{"label":"split_canvas_w","value":"2144.8"},{"label":"split_canvas_h","value":"2929.2"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 532.0,1913.0 536.2,1479.8 483.2,1189.0 0.0,1180.7 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1180.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.84496821205423,42.67640592104945]}},{"type":"Feature","properties":{"resourceCoords":[536.2,1180.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.84363949297958,42.67661761151742]}},{"type":"Feature","properties":{"resourceCoords":[536.2,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.84324593706114,42.67528099632037]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.84457465613579,42.675069305852396]}},{"type":"Feature","properties":{"resourceCoords":[328.1,1598.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.84393,42.675773]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1432.0,1680.5 373.6,1689.7 237.7,1743.6 196.3,1713.5 259.4,1085.8 233.2,462.2 886.0,364.1 1445.1,193.4 1432.0,1680.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[619.0,417.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.842901,42.681258]}},{"type":"Feature","properties":{"resourceCoords":[462.0,1680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.840641,42.679574]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1502.7,1132.6 1375.8,1306.7 765.1,1729.8 649.4,1913.0 -0.0,1913.0 -0.0,804.0 206.7,709.3 212.7,527.0 311.2,186.8 533.2,104.7 1518.0,29.6 1613.0,950.5 1569.9,967.7 1502.7,1132.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.84172775002791,42.67898922591004]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.83901417075808,42.68115257125825]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.83554865404012,42.67876991400153]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.83826223330996,42.67660656865331]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p6 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4694.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2957.2"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"352.9,1901.3 309.1,1879.0 185.1,1913.0 1188.0,1913.0 1474.0,1913.0 1613.0,1913.0 1613.0,1173.7 391.8,1289.5 388.4,1341.9 160.5,1348.9 190.6,1626.0 307.3,1680.2 352.9,1901.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1166.0,1289.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.831641,42.679999]}},{"type":"Feature","properties":{"resourceCoords":[160.0,1348.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8334143,42.6764808]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p6 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"},{"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":"5307.2"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1212.0 0.0,1326.7 1613.0,1173.7 1613.0,36.1 1089.5,74.4 986.4,0.0 624.8,0.0 421.3,232.2 88.0,369.9 158.0,1118.0 0.0,1212.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1060.0,56.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8366066,42.6806322]}},{"type":"Feature","properties":{"resourceCoords":[88.0,369.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.837175,42.6785515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p7 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2450.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 -0.0,1913.0 493.2,1913.0 560.4,1599.6 552.3,1551.2 564.9,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0007__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":[-70.84795116815978,42.67842441274792]}},{"type":"Feature","properties":{"resourceCoords":[612.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.84655545140811,42.67892417772516]}},{"type":"Feature","properties":{"resourceCoords":[612.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.84443174085094,42.67571499179874]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.84582745760261,42.67521522682151]}},{"type":"Feature","properties":{"resourceCoords":[390.3,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8450496,42.6757023]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p7 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"2209.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4242.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1426.8,1913.0 1409.8,1820.6 1577.6,1701.6 1553.2,1538.8 1585.0,1220.3 1536.1,1174.2 1445.7,631.4 1242.5,0.0 564.9,0.0 552.3,1551.2 612.5,1913.0 1426.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[779.2,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.841587,42.677152]}},{"type":"Feature","properties":{"resourceCoords":[1037.2,1406.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.841772,42.678213]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p8 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4312.8"},{"label":"split_canvas_w","value":"1882.0"},{"label":"split_canvas_h","value":"3339.2"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 470.5,1913.0 469.0,1078.2 0.0,1087.2 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.1,1692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.841827,42.673507]}},{"type":"Feature","properties":{"resourceCoords":[122.1,1466.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8415472,42.6738668]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p8 [2]","metadata":[{"label":"streets","value":"12"},{"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":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1276.0,1913.0 1613.0,1913.0 1613.0,1571.0 894.4,1475.7 1038.0,393.5 529.1,175.0 -0.0,946.8 0.0,1087.2 469.0,1078.2 470.5,1913.0 1276.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[957.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.83993,42.6757867]}},{"type":"Feature","properties":{"resourceCoords":[958.0,877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.839657,42.676335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ipswich, Massachusetts | 1916 | sanborn03758_006 p9 [2]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"21"},{"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":"4513.2"}],"created":"2026-09-23T17:46:01Z","modified":"2026-09-23T17:46:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"285.4,328.9 202.0,634.1 -0.0,577.3 0.0,1124.4 0.0,1124.5 53.1,1124.4 1613.0,1128.3 1613.0,143.9 1579.7,44.3 1598.8,0.0 1368.0,68.2 1357.6,154.3 1329.9,181.1 1062.5,225.8 1040.9,0.0 686.0,0.0 681.4,140.8 623.1,147.9 568.5,49.4 152.6,74.6 220.1,261.8 285.4,328.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764im:g037581916:03758_1916-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[933.0,422.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.834462,42.676052]}},{"type":"Feature","properties":{"resourceCoords":[909.0,282.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8342373,42.6765586]}}]}}]}