{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn06552_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mandan, North-Dakota | 1884 | 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":"4"},{"label":"placed","value":"1"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 46.82948,-100.87330 +/-100m); p1__2 (tier 4, 46.82948,-100.87330 +/-100m); p2 (tier 4, 46.82948,-100.87330 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065521884:06552_1884-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mandan, North-Dakota | 1884 | sanborn06552_001 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3722.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2789.2"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-21T19:13:32Z","modified":"2026-09-21T19:13:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065521884:06552_1884-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065521884:06552_1884-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,-0.0 941.3,0.0 930.7,1927.0 1628.0,1927.0 1628.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065521884:06552_1884-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1472.2,289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.871162,46.828949]}},{"type":"Feature","properties":{"resourceCoords":[955.7,225.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.8708341,46.8300841]}}]}}]}