{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02716_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Le Mars, Iowa | 1899 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"17"},{"label":"placed","value":"1"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 8, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 42.81512,-95.97666 +/-100m); p10__3 (tier 1, 42.81365,-95.97491 +/-100m); p10__4 (tier 1, 42.81039,-95.97074 +/-100m); p10__5 (tier 1, 42.81046,-95.97202 +/-100m); p10__6 (tier 1, 42.80860,-95.97346 +/-100m); p2 (tier 1, 42.82979,-96.55412 +/-114m); p3 (tier 1, 42.81434,-95.97578 +/-136m); p4 (tier 1, 42.82523,-96.55876 +/-113m)"},{"label":"withheld","value":"p10__1 (15.8 km from the catalogue location), p1__1 (32.3 km from the catalogue location), p1__2 (20.9 km from the catalogue location), p5 (15.8 km from the catalogue location), p6 (10.6 km from the catalogue location), p7 (15.8 km from the catalogue location), p8 (27.0 km from the catalogue location), p9 (15.9 km from the catalogue location)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027161899:02716_1899-0010__7/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Le Mars, Iowa | 1899 | sanborn02716_004 p10 [7]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5236.8"},{"label":"split_canvas_w","value":"3410.0"},{"label":"split_canvas_h","value":"2415.2"}],"created":"2026-09-22T10:18:35Z","modified":"2026-09-22T10:18:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027161899:02716_1899-0010__7/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027161899:02716_1899-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 843.5,1913.0 852.5,1309.2 0.0,1310.5 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027161899:02716_1899-0010__7/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1309.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.15561781744448,42.785247768949006]}},{"type":"Feature","properties":{"resourceCoords":[852.5,1309.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.15433891216507,42.786086245174076]}},{"type":"Feature","properties":{"resourceCoords":[852.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.15352978926312,42.78542019134908]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.15480869454252,42.78458171512401]}},{"type":"Feature","properties":{"resourceCoords":[778.5,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.1538043,42.7854819]}}]}}]}