{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01210_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Frederica, Delaware | 1910 | 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 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.00791,-75.46559 +/-191m); p1__3 (tier 4, 39.00791,-75.46559 +/-191m); p3__1 (tier 1, 39.00924,-75.46459 +/-100m); p3__3 (tier 1, 39.00947,-75.47059 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederica, Delaware | 1910 | sanborn01210_005 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.68"},{"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":"3852.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T03:29:27Z","modified":"2026-10-19T03:29:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"904.0,53.2 71.4,119.7 45.6,1583.5 261.9,1804.1 427.3,1646.4 527.9,1814.0 870.3,1840.2 904.0,53.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46634792759909,39.0069025689901]}},{"type":"Feature","properties":{"resourceCoords":[963.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4654667016211,39.006879153075]}},{"type":"Feature","properties":{"resourceCoords":[963.2,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46552664986149,39.00552084165531]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46640787583948,39.00554425757041]}},{"type":"Feature","properties":{"resourceCoords":[536.1,372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4658691,39.0066254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederica, Delaware | 1910 | sanborn01210_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.07"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:29:27Z","modified":"2026-10-19T03:29:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6.0,1301.0 1.0,1517.0 1.0,1559.9 181.5,1586.8 412.4,1803.4 1519.1,1846.9 1541.1,1020.3 1173.7,904.9 1290.5,800.8 1000.2,575.4 993.0,351.7 510.7,57.1 14.5,81.7 1.0,287.0 1.0,1300.6 6.0,1301.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[804.0,1402.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.46577051664023,39.00822693337883]}},{"type":"Feature","properties":{"resourceCoords":[804.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.46467266136587,39.00835408774883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederica, Delaware | 1910 | sanborn01210_005 p3 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.24"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1464.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4987.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T03:29:27Z","modified":"2026-10-19T03:29:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1522.4,219.4 1227.7,259.8 850.0,31.4 532.2,347.8 524.1,680.5 530.2,1116.9 529.0,1122.5 514.8,1189.8 511.4,1206.0 495.8,1856.5 1147.3,1877.7 1371.0,1574.3 1612.0,1589.0 1612.0,1349.8 1607.2,1349.9 1526.7,425.1 1522.4,219.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd383m:g3834m:g3834fm:g012101910:01210_1910-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[996.1,145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4646998,39.0092682]}},{"type":"Feature","properties":{"resourceCoords":[1119.1,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4658161,39.0091258]}}]}}]}