{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04766_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Marquand, Missouri | 1912 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 37.43023,-90.16856 +/-102m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164mm:g4164mm_g047661912:04766_1912-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marquand, Missouri | 1912 | sanborn04766_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"2026-09-21T14:46:55Z","modified":"2026-09-21T14:46:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164mm:g4164mm_g047661912:04766_1912-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164mm:g4164mm_g047661912:04766_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1056.8,0.0 1052.6,721.9 750.0,726.9 750.0,608.8 0.0,607.1 -0.0,1913.0 1613.0,1913.0 1613.0,1334.2 1321.9,1332.1 1321.9,0.0 1056.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164mm:g4164mm_g047661912:04766_1912-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[725.0,790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1695223,37.4296608]}},{"type":"Feature","properties":{"resourceCoords":[1047.0,1330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1682506,37.4290278]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164mm:g4164mm_g047661912:04766_1912-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marquand, Missouri | 1912 | sanborn04766_001 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"5287.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1164.4"},{"label":"split_canvas_h","value":"5336.8"}],"created":"2026-09-21T14:46:55Z","modified":"2026-09-21T14:46:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164mm:g4164mm_g047661912:04766_1912-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164mm:g4164mm_g047661912:04766_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1375.0,483.9 1376.2,208.5 1458.1,210.3 1434.1,1332.9 1613.0,1334.2 1613.0,0.0 1321.9,-0.0 1321.9,488.1 1375.0,483.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164mm:g4164mm_g047661912:04766_1912-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1321.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.1690183261208,37.4319865834298]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16840440418537,37.43224884037365]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1334.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16689376390026,37.43002437811783]}},{"type":"Feature","properties":{"resourceCoords":[1321.9,1334.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.1675076858357,37.42976212117397]}},{"type":"Feature","properties":{"resourceCoords":[1363.8,991.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1678078,37.4303718]}}]}}]}