{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03502_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mechanic Falls, Maine | 1901 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"5"},{"label":"placed","value":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 44.11112,-70.39094 +/-151m); p2__1 (tier 2, 44.11089,-70.39097 +/-100m); p2__3 (tier 2, 44.11089,-70.39097 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g035021901:03502_1901-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanic Falls, Maine | 1901 | sanborn03502_003 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.19"},{"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":"2026-10-22T13:03:41Z","modified":"2026-10-22T13:03:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g035021901:03502_1901-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g035021901:03502_1901-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"815.8,1846.3 947.7,1763.7 931.5,1615.1 1051.8,1569.5 1051.8,1556.5 1051.8,1549.0 1051.8,1411.5 1051.8,1411.5 1454.3,1411.5 1586.7,1308.8 1590.8,533.5 1475.6,97.2 1387.5,54.6 1247.3,116.3 1219.9,43.9 989.0,104.9 458.7,30.7 55.6,73.9 56.3,1408.0 204.6,1772.4 322.5,1875.8 580.9,1887.2 597.1,1912.0 808.5,1912.0 815.8,1846.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g035021901:03502_1901-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[949.0,361.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.3937024,44.1121854]}},{"type":"Feature","properties":{"resourceCoords":[442.0,1666.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.3918805,44.1103548]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g035021901:03502_1901-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanic Falls, Maine | 1901 | sanborn03502_003 p2 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.07"},{"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":"2026-10-22T13:03:41Z","modified":"2026-10-22T13:03:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g035021901:03502_1901-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g035021901:03502_1901-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.5,449.0 130.1,514.2 44.5,655.3 89.2,1334.8 23.6,1610.7 47.9,1873.1 1442.3,1875.8 1492.9,1753.4 1443.8,1632.4 1190.5,1618.9 1189.8,1615.0 1187.9,1614.9 1188.5,1606.8 1158.8,1433.2 1235.6,926.8 1235.7,925.1 1246.2,925.7 1531.0,904.9 1457.5,693.0 1570.1,560.0 1591.8,108.3 1527.5,30.1 1395.9,17.3 889.0,51.1 847.8,1.0 440.7,1.0 446.4,52.5 448.4,71.3 342.1,125.5 372.0,261.0 258.5,350.5 258.5,449.0 258.5,449.0 76.5,449.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g035021901:03502_1901-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[376.0,1298.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.38914,44.109813]}},{"type":"Feature","properties":{"resourceCoords":[306.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.388331,44.109178]}}]}}]}