{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03474_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gorham, Maine | 1909 | 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":"10"},{"label":"placed","value":"2"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef-snap 1, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 43.67936,-70.44287 +/-150m); p1__2 (tier 4, 43.67936,-70.44287 +/-150m); p1__3 (tier 1, 43.79754,-70.44603 +/-156m); p1__4 (tier 4, 43.67936,-70.44287 +/-150m); p2__1 (tier 1, 43.66165,-70.26468 +/-189m); p2__2 (tier 1, 43.67901,-70.44348 +/-229m); p2__3 (tier 1, 43.68038,-70.43498 +/-100m); p2__4 (tier 1, 43.67776,-70.43905 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734gm:g3734gm_g034741909:03474_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gorham, Maine | 1909 | sanborn03474_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:20:33Z","modified":"2026-10-19T19:20:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734gm:g3734gm_g034741909:03474_1909-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734gm:g3734gm_g034741909:03474_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"616.6,183.0 824.9,166.6 992.7,164.7 1419.9,169.0 1612.0,167.7 1612.0,190.5 1612.0,208.2 1587.0,207.9 1534.0,339.2 1611.2,1182.0 1514.9,1778.0 1387.6,1774.8 1225.4,1877.9 910.3,1782.7 730.1,1870.6 273.6,1846.8 130.0,1764.7 124.1,347.9 37.0,180.9 616.6,183.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734gm:g3734gm_g034741909:03474_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[56.0,165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.44351000745579,43.6807472173871]}},{"type":"Feature","properties":{"resourceCoords":[1445.0,1430.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.44514295578388,43.67755722404849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734gm:g3734gm_g034741909:03474_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gorham, Maine | 1909 | sanborn03474_005 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:20:33Z","modified":"2026-10-19T19:20:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734gm:g3734gm_g034741909:03474_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734gm:g3734gm_g034741909:03474_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"174.2,22.3 471.3,18.0 1262.7,27.9 1508.4,124.7 1592.0,447.5 1602.4,903.1 1584.5,1617.2 1506.4,1780.7 1345.9,1753.2 1140.0,1870.2 90.2,1889.3 40.7,1851.8 46.6,1650.2 87.6,1651.0 90.1,1456.6 102.8,1024.2 104.2,854.4 91.8,643.2 105.4,56.6 174.2,22.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734gm:g3734gm_g034741909:03474_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1224.0,1404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.439712,43.6793381]}},{"type":"Feature","properties":{"resourceCoords":[92.0,1404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.4422863,43.6785428]}}]}}]}