{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03748_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Holbrook, Massachusetts | 1892 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef-snap 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.15422,-71.01063 +/-209m); p2__1 (tier 4, 42.15422,-71.01063 +/-209m); p2__2 (tier 1, 42.25903,-71.04016 +/-254m); p2__3 (tier 1, 42.15475,-71.00375 +/-110m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holbrook, Massachusetts | 1892 | sanborn03748_002 p1 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T21:12:24Z","modified":"2026-10-19T21:12:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1508.5,1.0 1508.1,1.0 1495.2,35.6 724.8,45.9 359.6,168.4 227.7,323.0 76.7,327.7 71.2,897.6 590.4,906.0 827.8,906.0 827.8,906.1 893.5,1178.7 912.3,1782.7 1077.2,1863.3 1482.3,1881.8 1484.5,1912.0 1487.9,1912.0 1508.1,1912.0 1502.1,1270.8 1499.8,626.2 1530.2,625.1 1512.9,178.6 1508.5,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1493.0,1304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.01140946238573,42.153630179389694]}},{"type":"Feature","properties":{"resourceCoords":[683.0,187.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.01323175081006,42.155840303862824]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holbrook, Massachusetts | 1892 | sanborn03748_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:12:24Z","modified":"2026-10-19T21:12:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1229.0,1821.3 1225.5,1800.4 111.9,1878.7 80.7,1544.9 110.7,1541.1 53.9,1100.7 29.3,885.8 81.1,190.4 452.8,33.1 1406.1,59.4 1510.8,121.3 1508.0,360.8 1570.4,429.9 1495.9,630.9 1567.1,879.5 1523.0,1046.3 1568.3,1610.8 1511.4,1850.8 1229.0,1821.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[214.0,1517.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.01091052949874,42.15490735948625]}},{"type":"Feature","properties":{"resourceCoords":[960.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.00869528481859,42.15615938259824]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holbrook, Massachusetts | 1892 | sanborn03748_002 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:12:24Z","modified":"2026-10-19T21:12:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.7,1030.8 59.9,376.4 60.4,62.9 1206.6,90.9 1208.2,112.7 1494.0,170.2 1490.8,179.3 1612.0,1124.8 1612.0,1128.6 1558.9,1799.3 1293.2,1885.2 844.6,1785.9 91.9,1848.8 38.6,1030.7 62.7,1030.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481892:03748_1892-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1372.0,1432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.00832579123616,42.15157683769871]}},{"type":"Feature","properties":{"resourceCoords":[83.0,354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.01131872272624,42.15372894953621]}}]}}]}