{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03821_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Palmer, Massachusetts | 1891 | 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":"13"},{"label":"placed","value":"6"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 4, georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.15638,-72.32667 +/-544m); p1__2 (tier 4, 42.15638,-72.32667 +/-544m); p1__3 (tier 4, 42.15638,-72.32667 +/-544m); p3__2 (tier 4, 42.15638,-72.32667 +/-544m); p6__3 (tier 4, 42.15638,-72.32667 +/-544m); p6__4 (tier 4, 42.15638,-72.32667 +/-544m); p6__5 (tier 1, 42.15997,-72.32882 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palmer, Massachusetts | 1891 | sanborn03821_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:14:30Z","modified":"2026-10-19T13:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1433.9,1314.2 1356.4,1812.3 1264.2,1769.4 975.5,1885.2 972.6,1870.3 513.5,1863.6 141.5,1748.5 84.5,1670.9 141.1,1528.5 52.6,1377.8 85.2,66.0 251.3,104.6 468.4,42.5 741.6,74.3 1090.6,26.2 1447.3,69.2 1585.1,206.5 1596.0,469.2 1612.0,463.0 1612.0,548.6 1580.0,630.8 1562.9,623.8 1402.4,1048.8 1412.5,1121.0 1433.9,1314.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1395.0,1110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.32935744242245,42.15873284319764]}},{"type":"Feature","properties":{"resourceCoords":[851.0,110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.32961944091986,42.160849818967634]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palmer, Massachusetts | 1891 | sanborn03821_002 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"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":"2026-10-19T13:14:30Z","modified":"2026-10-19T13:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.2,1787.8 536.0,1842.5 535.5,1891.3 738.9,1890.2 1373.5,1886.7 1553.6,1862.6 1583.0,893.2 1397.4,811.0 1160.5,811.0 1092.0,811.0 1092.0,802.5 1092.0,784.2 1062.3,781.7 1047.4,342.8 870.2,239.4 837.6,88.5 742.7,1.0 672.9,1.0 643.7,15.4 553.2,23.4 551.9,5.0 100.5,49.4 40.2,90.4 50.8,574.6 44.6,1033.5 41.7,1395.3 40.2,1787.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1007.0,1054.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.32589487609764,42.158500028105436]}},{"type":"Feature","properties":{"resourceCoords":[65.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.32928922543792,42.158738632056895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palmer, Massachusetts | 1891 | sanborn03821_002 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:14:30Z","modified":"2026-10-19T13:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"177.3,1878.3 99.0,1755.7 135.9,948.9 181.9,882.6 151.8,429.1 269.0,289.1 151.4,133.7 486.2,109.0 609.9,13.0 845.9,220.8 849.2,323.5 1334.0,166.5 1498.5,59.2 1513.3,549.4 1511.0,1014.0 1511.2,1380.2 1513.3,1859.1 1513.4,1863.3 1008.4,1811.8 994.7,1760.9 410.9,1853.1 408.8,1889.3 177.3,1878.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1511.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.3277776,42.1573628]}},{"type":"Feature","properties":{"resourceCoords":[1511.0,1354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.327234,42.156881]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palmer, Massachusetts | 1891 | sanborn03821_002 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:14:30Z","modified":"2026-10-19T13:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.5,1336.5 143.4,1321.5 179.9,820.0 175.7,820.2 95.0,822.9 131.2,323.9 180.1,322.6 172.2,139.4 637.1,200.5 637.3,196.0 815.0,39.3 1547.8,65.5 1523.6,470.1 1611.3,1036.6 1589.6,1765.5 1524.8,1871.0 1117.8,1826.5 718.4,1889.3 238.1,1879.3 237.5,1912.0 201.6,1912.0 93.5,1336.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1298.0,303.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.32365273105479,42.15512110218552]}},{"type":"Feature","properties":{"resourceCoords":[179.0,303.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.32539505375968,42.15676014226968]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palmer, Massachusetts | 1891 | sanborn03821_002 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.29"},{"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":"3876.0"},{"label":"split_canvas_h","value":"4708.0"}],"created":"2026-10-19T13:14:30Z","modified":"2026-10-19T13:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"892.4,561.6 843.2,33.1 327.9,29.5 45.0,116.6 31.2,1143.4 915.4,1135.3 918.0,921.2 808.0,857.9 784.4,689.1 892.4,561.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[502.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.32274528356707,42.15239504293884]}},{"type":"Feature","properties":{"resourceCoords":[65.0,99.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.32338830986016,42.15303094314166]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palmer, Massachusetts | 1891 | sanborn03821_002 p6 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.47"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3639.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2812.4"},{"label":"split_canvas_h","value":"3470.0"}],"created":"2026-10-19T13:14:30Z","modified":"2026-10-19T13:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1611.0,585.5 1609.3,585.4 1578.7,20.4 1279.2,16.6 1142.5,101.3 954.5,20.2 962.7,647.6 963.0,668.3 1428.0,742.5 1428.4,738.0 1611.0,585.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764pm:g038211891:03821_1891-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1420.2,852.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.3247032,42.1560879]}},{"type":"Feature","properties":{"resourceCoords":[965.8,852.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.325432,42.156736]}}]}}]}