{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02696_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Iowa Falls, Iowa | 1902 | 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":"11"},{"label":"placed","value":"1"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef:misscale 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 42.51190,-93.26097 +/-2654m); p2 (tier 3, 42.52435,-93.25118 +/-1256m); p3 (tier 3, 42.51149,-93.25390 +/-1246m); p4 (tier 3, 42.52404,-93.26630 +/-1229m); p5__1 (tier 3, 42.51717,-93.25463 +/-1477m); p5__2 (tier 3, 42.51717,-93.25463 +/-1477m); p6__2 (tier 1, 42.52155,-93.25869 +/-406m); p6__3 (tier 3, 42.52445,-93.25883 +/-1229m); p6__4 (tier 3, 42.52445,-93.25883 +/-1229m); p6__5 (tier 3, 42.52445,-93.25883 +/-1229m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961902:02696_1902-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa Falls, Iowa | 1902 | sanborn02696_004 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-09-22T17:10:05Z","modified":"2026-09-22T17:10:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961902:02696_1902-0006__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961902:02696_1902-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3526.0 4324.4,3543.2 4314.4,2106.4 4314.4,2089.6 3140.4,0.0 -0.0,-0.0 -0.0,7652.0 3169.6,7652.0 4024.0,6278.8 4942.8,6278.8 6452.0,6278.8 6452.0,3526.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961902:02696_1902-0006__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":[-93.25707309524448,42.52424629436622]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.25292925566586,42.52428499023075]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.25286698618883,42.520662948288376]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.25701082576745,42.52062425242385]}}]}}]}