{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05187_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Genoa, Nebraska | 1918 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"2"},{"label":"placed","value":"2"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd419m:g4194m:g4194gm:g051871918:05187_1918-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Genoa, Nebraska | 1918 | sanborn05187_003 p1","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T18:41:20Z","modified":"2026-09-23T18:41:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd419m:g4194m:g4194gm:g051871918:05187_1918-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd419m:g4194m:g4194gm:g051871918:05187_1918-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,3082.6 3740.1,3478.1 4107.6,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd419m:g4194m:g4194gm:g051871918:05187_1918-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[240.0,7432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7307159,41.4434446]}},{"type":"Feature","properties":{"resourceCoords":[2176.0,224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7293426,41.4496178]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd419m:g4194m:g4194gm:g051871918:05187_1918-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Genoa, Nebraska | 1918 | sanborn05187_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T18:41:20Z","modified":"2026-09-23T18:41:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd419m:g4194m:g4194gm:g051871918:05187_1918-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd419m:g4194m:g4194gm:g051871918:05187_1918-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,-0.0 6452.0,7652.0 -0.0,7652.0 -0.0,0.0 6452.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd419m:g4194m:g4194gm:g051871918:05187_1918-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72721630281569,41.450051431911206]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72724921697173,41.44702901738321]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73199797512545,41.44705848316069]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73196506096942,41.450080897688686]}}]}}]}