{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03827_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Quincy, Massachusetts | 1885 | 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":"22"},{"label":"placed","value":"11"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 11"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 20 panels"},{"label":"unplaced pages","value":"p2__3 (tier 1, 42.25405,-71.00430 +/-115m); p4__1 (tier 2, 42.24950,-71.00143 +/-167m); p4__3 (tier 1, 42.24602,-70.99958 +/-121m); p5__3 (tier 1, 42.25060,-70.99834 +/-158m); p6__2 (tier 1, 42.25235,-71.00427 +/-100m); p6__3 (tier 1, 42.25336,-71.00276 +/-100m); p7__2 (tier 1, 42.24307,-71.00230 +/-100m); p7__3 (tier 1, 42.25117,-70.99766 +/-180m); p8__2 (tier 1, 42.24068,-71.00797 +/-133m); p9__1 (tier 1, 42.24846,-70.99695 +/-100m); p9__3 (tier 3, 42.25280,-70.99385 +/-566m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1461.0,1156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0204995,42.2663934]}},{"type":"Feature","properties":{"resourceCoords":[1098.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.02024,42.26502]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5202.8"},{"label":"split_canvas_h","value":"3281.6"}],"created":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 0.0,452.2 582.8,683.6 571.9,811.3 1050.8,820.4 1300.7,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[966.8,356.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0033258,42.2439706]}},{"type":"Feature","properties":{"resourceCoords":[215.9,356.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0051096,42.2437129]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 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":"7652.0"}],"created":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1042.5,1385.8 1086.8,1543.3 1282.7,1829.0 1469.8,1750.8 1613.0,1731.7 1613.0,1651.5 1613.0,0.0 1300.7,0.0 1050.8,820.4 571.9,811.3 528.3,1324.3 0.0,1252.7 -0.0,1913.0 296.9,1913.0 326.9,1809.2 1042.5,1385.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1283.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0023446,42.2513993]}},{"type":"Feature","properties":{"resourceCoords":[1086.0,1069.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.004274,42.252455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1350.7 96.5,1185.9 -0.0,1084.7 -0.0,61.2 195.8,112.4 1613.0,79.8 1613.0,1680.3 1578.0,1679.3 1613.0,1709.5 1613.0,1913.0 -0.0,1913.0 -0.0,1350.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[874.0,1031.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0025878,42.2496119]}},{"type":"Feature","properties":{"resourceCoords":[1063.0,78.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0013225,42.2511226]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p4 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"1416.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5035.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1399.9,1813.5 1613.0,1807.5 1613.0,615.4 1317.3,148.1 1310.4,205.0 1125.0,323.9 970.3,93.6 971.4,570.6 801.9,1120.3 531.5,1122.0 388.6,1759.5 1324.0,1743.2 1399.9,1813.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[893.1,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0001565,42.245418]}},{"type":"Feature","properties":{"resourceCoords":[938.1,1537.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0004066,42.2458044]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p5 [1]","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":"3729.6"}],"created":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,932.4 845.8,893.2 857.4,375.1 1519.7,382.6 1517.2,157.8 0.0,199.1 0.0,768.7 30.2,768.9 0.0,776.0 0.0,932.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1516.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0003037,42.250839]}},{"type":"Feature","properties":{"resourceCoords":[820.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0009881,42.2495948]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p5 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3370.0"},{"label":"split_canvas_y","value":"1500.4"},{"label":"split_canvas_w","value":"3082.0"},{"label":"split_canvas_h","value":"6151.6"}],"created":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1067.9 1539.7,751.6 1613.0,732.4 1613.0,383.7 857.4,375.1 845.8,893.2 842.5,1039.9 1242.2,1048.0 1232.1,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.3,820.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0007342,42.2420402]}},{"type":"Feature","properties":{"resourceCoords":[1336.2,485.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.001753,42.242318]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p6 [1]","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":"4526.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"600.8,1913.0 599.2,990.4 980.3,963.3 1131.6,679.2 1095.4,437.8 1080.7,339.6 1037.2,0.0 668.7,0.0 482.1,338.1 313.7,272.1 61.8,244.5 94.6,1913.0 600.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[603.8,407.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0014786,42.2521989]}},{"type":"Feature","properties":{"resourceCoords":[97.0,1799.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9987877,42.2504042]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p7 [1]","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":"4123.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"298.4,1913.0 652.4,1913.0 1030.8,1155.7 1030.2,460.8 1029.8,0.0 86.9,-0.0 108.2,229.2 47.2,311.4 104.7,1174.5 -0.0,1179.6 -0.0,1794.5 298.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[106.0,241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9992033,42.2458767]}},{"type":"Feature","properties":{"resourceCoords":[89.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0026275,42.2442882]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p8 [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":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 348.3,0.0 366.1,908.0 0.0,1263.1 -0.0,1913.0 624.0,1913.0 907.0,1913.0 1613.0,1913.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1454.0,259.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0051773,42.242507]}},{"type":"Feature","properties":{"resourceCoords":[1252.0,1510.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.005719,42.2401811]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Quincy, Massachusetts | 1885 | sanborn03827_001 p9 [2]","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":"2026-09-23T06:58:36Z","modified":"2026-09-23T06:58:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 785.0,1913.0 1071.0,1913.0 1613.0,1913.0 1613.0,0.0 774.8,0.0 774.0,325.9 576.8,383.7 578.0,902.9 0.0,902.7 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764qm:g038271885:03827_1885-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1010.0,1635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.993813,42.248738]}},{"type":"Feature","properties":{"resourceCoords":[748.0,317.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9969361,42.2492513]}}]}}]}