{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03738_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Greenfield, Massachusetts | 1948 | 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":"40"},{"label":"placed","value":"29"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 15, georef-snap 14"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 19 panels"},{"label":"unplaced pages","value":"p1a (tier 1, 42.58502,-72.57403 +/-372m); p1b (tier 4, 42.59060,-72.60181 +/-2446m); p21__2 (tier 1, 42.59347,-72.59658 +/-100m); p26__1 (tier 2, 42.60411,-72.59144 +/-131m); p27__1 (tier 4, 42.59060,-72.60181 +/-2446m); p27__2 (tier 4, 42.59060,-72.60181 +/-2446m); p27__3 (tier 4, 42.59060,-72.60181 +/-2446m); p27__4 (tier 4, 42.59060,-72.60181 +/-2446m); p27__6 (tier 4, 42.59060,-72.60181 +/-2446m); p4__2 (tier 4, 42.59060,-72.60181 +/-2446m); p9 (tier 4, 42.59060,-72.60181 +/-2446m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p10 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2216.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 0.0,1709.1 502.9,1562.0 536.1,1298.0 554.1,0.0 492.3,0.0 484.9,46.5 413.9,0.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[225.1,1602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.599137,42.5805]}},{"type":"Feature","properties":{"resourceCoords":[507.1,1670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.5985165,42.5805899]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p10 [2]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2194.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4257.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,197.9 1438.0,0.0 575.1,0.0 554.1,0.0 548.6,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1356.2,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.5985165,42.5805899]}},{"type":"Feature","properties":{"resourceCoords":[1140.3,-34.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.599137,42.5805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"312.8,1913.0 2.7,1384.7 98.0,1386.0 103.5,975.7 51.2,871.5 33.8,768.0 60.0,94.2 543.3,126.5 591.5,113.8 619.9,70.5 618.0,109.7 674.5,180.9 742.3,330.2 795.5,391.2 1127.3,546.9 1199.7,610.6 1613.0,659.8 1613.0,1913.0 312.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59888510750888,42.58799612049513]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59091056161915,42.587193016529866]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59219511655004,42.58018030044561]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60016966243977,42.58098340441087]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 929.2,1913.0 850.5,1858.8 505.4,1744.3 445.9,1690.5 361.6,1551.4 297.5,1487.9 294.9,1449.0 271.9,1495.0 182.6,1516.0 250.3,858.1 100.1,860.0 102.5,52.2 1457.0,27.0 1535.0,111.5 1613.0,109.5 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59547528526448,42.59293656011903]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.58762050807817,42.591427649381046]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59003417263958,42.58452077256344]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59788894982589,42.58602968330142]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p13 [1]","metadata":[{"label":"streets","value":"8"},{"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":"7652.0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"898.5,502.2 939.1,176.3 998.7,0.0 425.6,0.0 423.2,1050.8 0.0,1050.9 -0.0,1913.0 288.5,1913.0 322.9,1675.2 1001.2,1772.6 1004.0,1695.1 1516.0,1720.0 1519.8,775.8 1613.0,775.8 1613.0,736.7 1146.4,648.1 898.5,502.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1261.0,669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.609227,42.593586]}},{"type":"Feature","properties":{"resourceCoords":[1516.0,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.606773,42.590055]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p13 [2]","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":"1702.4"},{"label":"split_canvas_h","value":"4203.6"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"425.6,0.0 0.0,0.0 0.0,1050.9 423.2,1050.8 425.6,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.62124840350903,42.58719009114778]}},{"type":"Feature","properties":{"resourceCoords":[425.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.62090020443561,42.58794170555931]}},{"type":"Feature","properties":{"resourceCoords":[425.6,1050.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61838160072688,42.58730922219791]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1050.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61872979980029,42.58655760778638]}},{"type":"Feature","properties":{"resourceCoords":[227.8,1039.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6185698,42.5869665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"854.3,1596.1 855.2,1819.3 257.8,1823.6 259.3,0.0 1347.6,0.0 989.8,1606.1 854.3,1596.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60849865745591,42.593312572262874]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60447676966407,42.594022719279025]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60334075590761,42.5904863644765]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60736264369945,42.58977621746035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p15","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"998.8,1584.2 1012.9,1684.9 -0.0,1834.5 -0.0,-0.0 1455.4,0.0 998.8,1584.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[562.0,1277.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.603525,42.591946]}},{"type":"Feature","properties":{"resourceCoords":[1038.0,1444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6021872,42.5916157]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p16","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1527.2,1250.1 1481.4,1861.7 1104.6,1823.7 1116.3,1579.6 71.7,1597.4 60.4,102.0 1425.4,27.8 1527.2,1250.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[549.0,1447.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.601033,42.591352]}},{"type":"Feature","properties":{"resourceCoords":[536.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6007483,42.5922068]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p17","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1433.3,123.1 1429.8,1739.7 240.8,1729.6 289.5,1209.7 212.5,119.5 1433.3,123.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[273.0,945.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.598404,42.59171]}},{"type":"Feature","properties":{"resourceCoords":[1434.0,1269.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.595765,42.590585]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.2,1134.5 -0.0,1143.4 -0.0,1039.2 53.8,1042.2 70.8,765.4 -0.0,761.5 -0.0,499.4 74.6,496.8 75.5,430.0 424.5,415.1 385.4,225.3 1035.4,250.6 1024.8,124.8 1541.2,199.6 1396.3,739.9 1416.1,1276.5 1440.5,1495.3 1251.3,1492.1 1248.3,1667.8 1054.1,1718.9 316.8,1730.4 46.6,1639.0 20.7,1316.4 43.2,1134.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61166986089356,42.599968950505534]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60356987856633,42.60015707422605]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60326891715785,42.593035466877296]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61136889948507,42.592847343156784]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p19","metadata":[{"label":"streets","value":"21"},{"label":"intersections","value":"30"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1502.2,1627.3 824.5,1638.3 834.5,1467.3 236.4,1616.0 156.8,1411.3 -0.0,901.6 -0.0,212.8 307.7,193.8 301.2,0.0 698.8,0.0 706.9,68.4 1573.2,153.8 1479.7,560.3 1502.2,1627.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1487.0,1143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.597483,42.595229]}},{"type":"Feature","properties":{"resourceCoords":[773.0,615.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6004,42.597753]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1525.9,1725.8 1613.0,1716.5 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1340.0,0.0 1525.9,1725.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6126068404592,42.58919626761791]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60851423541308,42.58947514181162]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6080681549707,42.58587635445913]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6121607600168,42.58559748026542]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1206.3,890.9 1046.0,1447.1 1008.9,1755.0 52.9,1712.1 53.7,562.2 134.7,239.9 1522.6,295.4 1206.3,890.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59653213730327,42.59941135229274]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.58872393703247,42.598186506369785]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59068341784645,42.591321315841355]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59849161811725,42.59254616176431]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0021__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p21 [1]","metadata":[{"label":"streets","value":"9"},{"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":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1280.6,1913.0 1613.0,1913.0 1613.0,0.0 943.1,0.0 933.1,31.4 931.1,31.4 771.8,27.0 315.8,926.8 181.5,1415.0 132.9,1820.1 1201.6,1822.5 1280.6,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[938.0,1350.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.58914,42.593328]}},{"type":"Feature","properties":{"resourceCoords":[772.0,27.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.58847,42.598051]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1522.4,1702.7 876.8,1654.2 908.9,1844.4 561.3,1846.6 557.9,1913.0 -0.0,1913.0 -0.0,-0.0 1554.7,0.0 1469.7,467.5 1522.4,1702.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61467867716316,42.605130122547145]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60655414450493,42.60553715660726]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60590291424076,42.5983945657916]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61402744689899,42.597987531731484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"779.0,1787.7 764.1,1913.0 244.6,1913.0 -0.0,852.1 -0.0,-0.0 1613.0,0.0 1613.0,120.0 1517.5,444.9 1501.0,1656.0 1104.6,1610.1 1088.3,1802.8 779.0,1787.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60664705020925,42.60683861902591]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59855701816028,42.60616104144839]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59964112409685,42.599048926772845]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60773115614582,42.599726504350365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1234.6,1746.5 350.4,1811.2 137.6,1089.2 -0.0,560.5 -0.0,-0.0 1613.0,0.0 1242.4,1632.0 1234.6,1746.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.5982065035147,42.60645177867955]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59081258368603,42.60414406000717]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59450481423582,42.59764381097571]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60189873406449,42.59995152964809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.1,12.4 -0.0,42.6 -0.0,0.0 1613.0,0.0 1613.0,1143.5 1462.8,1187.2 1410.1,1488.0 89.8,1880.5 79.1,1594.8 216.1,12.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.5917070235759,42.60459278672679]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.58479349579093,42.601538388136156]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.58968022295647,42.59546027840675]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59659375074145,42.59851467699738]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0026__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p26 [2]","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":"2740.0"},{"label":"split_canvas_h","value":"3508.4"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0026__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 0.0,876.3 685.0,877.1 682.4,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0026__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.58217581557922,42.57509205218916]}},{"type":"Feature","properties":{"resourceCoords":[685.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.58081136956204,42.574303750418885]}},{"type":"Feature","properties":{"resourceCoords":[685.0,877.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.58218216656624,42.573017594096534]}},{"type":"Feature","properties":{"resourceCoords":[0.0,877.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.58354661258342,42.57380589586681]}},{"type":"Feature","properties":{"resourceCoords":[281.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.5819162,42.5744871]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0027__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p27 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3190.8"},{"label":"split_canvas_w","value":"4006.8"},{"label":"split_canvas_h","value":"2214.4"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0027__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1344.9 831.7,1351.3 831.1,1265.9 895.9,1265.7 900.9,800.0 307.8,798.4 0.0,797.7 0.0,1344.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0027__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,797.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61346842780002,42.597167967414954]}},{"type":"Feature","properties":{"resourceCoords":[1001.7,797.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6109321441524,42.59712317868532]}},{"type":"Feature","properties":{"resourceCoords":[1001.7,1351.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61096577845372,42.59609073055546]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1351.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61350206210133,42.59613551928509]}},{"type":"Feature","properties":{"resourceCoords":[909.7,1147.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.611185,42.596475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0027__7/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p27 [7]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5379.6"},{"label":"split_canvas_w","value":"3341.6"},{"label":"split_canvas_h","value":"2272.4"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0027__7/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 687.0,1913.0 835.4,1913.0 831.7,1351.3 0.0,1344.9 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0027__7/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1344.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.62073704484361,42.58427103047712]}},{"type":"Feature","properties":{"resourceCoords":[835.4,1344.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61876549294247,42.584833063759774]}},{"type":"Feature","properties":{"resourceCoords":[835.4,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.61824530599783,42.583843913242646]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.62021685789897,42.58328187995999]}},{"type":"Feature","properties":{"resourceCoords":[388.2,1641.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.619549,42.584016]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1519.1,1457.5 1393.2,1913.0 -0.0,1913.0 -0.0,57.5 1576.2,46.5 1608.2,760.5 1591.5,1460.8 1519.1,1457.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60931238769733,42.58981515217944]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60521637864255,42.590427598492404]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60423671144387,42.58682586503154]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60833272049865,42.58621341871858]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"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":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1449.1,1737.1 1460.9,0.0 1409.1,0.0 1339.0,0.0 1277.2,0.0 507.1,0.0 518.9,161.6 535.7,321.6 485.9,325.4 251.9,343.4 242.6,181.7 235.1,0.0 159.5,0.0 247.5,1724.0 1449.1,1737.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1053.0,1724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.602559,42.587904]}},{"type":"Feature","properties":{"resourceCoords":[248.0,1724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.604523,42.587669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1457.2,288.8 1301.9,1621.8 757.2,1672.4 42.1,0.0 1095.1,0.0 1078.3,244.3 1457.2,288.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60239122059872,42.59133602466503]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59849442131664,42.590602345398615]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59966802933242,42.58717583210594]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6035648286145,42.58790951137236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1484.5 105.9,1730.2 114.2,303.4 1613.0,152.5 1613.0,1484.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59898215218915,42.59091027943656]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.5952062594272,42.58986886080864]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59687211946381,42.58654863448298]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60064801222576,42.587590053110894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p7 [1]","metadata":[{"label":"streets","value":"7"},{"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":"7652.0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"509.9,1738.8 1328.6,1841.0 1478.5,772.7 1455.8,529.0 669.5,16.9 669.7,341.0 545.3,674.6 224.1,881.1 509.9,1738.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[608.0,1028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.600806,42.586344]}},{"type":"Feature","properties":{"resourceCoords":[510.0,1739.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.59901,42.586097]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p7 [2]","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":"2678.8"},{"label":"split_canvas_h","value":"4100.4"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 0.0,1025.1 545.3,674.6 606.5,510.4 486.5,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[500.8,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.604523,42.587669]}},{"type":"Feature","properties":{"resourceCoords":[605.7,509.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6031566,42.587833]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Massachusetts | 1948 | sanborn03738_008 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:32:00Z","modified":"2026-09-23T18:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1483.6,187.2 1469.6,693.4 1506.9,897.4 1613.0,1102.0 1613.0,1913.0 1400.8,1913.0 1358.8,1847.1 1314.1,1876.2 1330.7,1913.0 -0.0,1913.0 -0.0,210.6 390.2,179.8 376.2,0.0 770.3,0.0 760.4,162.0 1483.6,187.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764gm:g037381948:03738_1948-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60264375370312,42.58685445842168]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59861697572612,42.58640770379672]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.59933156314965,42.5828666495603]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.60335834112665,42.58331340418526]}}]}}]}