{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02722_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Logan, Iowa | 1893 | 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":"2"},{"label":"unplaced","value":"2"},{"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":"p2__2 (tier 4, 41.64366,-95.78647 +/-141m); p2__3 (tier 4, 41.64366,-95.78647 +/-141m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154lm:g027221893:02722_1893-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Logan, Iowa | 1893 | sanborn02722_002 p1","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T11:37:17Z","modified":"2026-09-21T11:37:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154lm:g027221893:02722_1893-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154lm:g027221893:02722_1893-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,-0.0 5922.4,0.0 5904.3,7502.2 5079.7,7498.7 5070.5,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154lm:g027221893:02722_1893-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1640.0,5288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.789163,41.643033]}},{"type":"Feature","properties":{"resourceCoords":[5920.0,820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.786458,41.645117]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154lm:g027221893:02722_1893-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Logan, Iowa | 1893 | sanborn02722_002 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"11"},{"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":"2026-09-21T11:37:17Z","modified":"2026-09-21T11:37:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154lm:g027221893:02722_1893-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154lm:g027221893:02722_1893-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4882.0,7652.0 6452.0,7652.0 6452.0,2425.6 4592.0,2429.2 4575.2,1292.0 4558.8,0.0 376.7,0.0 799.9,7340.0 -0.0,7384.7 -0.0,7652.0 4882.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154lm:g027221893:02722_1893-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2620.0,2900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.785129,41.644064]}},{"type":"Feature","properties":{"resourceCoords":[4048.0,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.784112,41.645088]}}]}}]}