{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02650_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Elma, Iowa | 1894 | 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":"8"},{"label":"placed","value":"4"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 43.24555,-92.43771 +/-255m); p1__3 (tier 4, 43.24555,-92.43771 +/-255m); p2__3 (tier 2, 43.24582,-92.43527 +/-100m); p2__4 (tier 2, 43.24582,-92.43527 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elma, Iowa | 1894 | sanborn02650_001 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"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":"2026-09-22T07:12:36Z","modified":"2026-09-22T07:12:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2408.8,0.0 2404.0,1348.8 606.4,1019.6 0.0,945.2 0.0,6099.2 1227.2,6104.0 1884.0,7652.0 6452.0,7652.0 6452.0,0.0 2408.8,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3508.0,5476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.435902,43.246733]}},{"type":"Feature","properties":{"resourceCoords":[5492.0,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.434609,43.248585]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elma, Iowa | 1894 | sanborn02650_001 p2 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1218.0"},{"label":"split_canvas_h","value":"1259.6"}],"created":"2026-09-22T07:12:36Z","modified":"2026-09-22T07:12:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 0.0,1258.8 1218.0,1259.6 1215.6,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002__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":[-92.44015652733232,43.2465271429364]}},{"type":"Feature","properties":{"resourceCoords":[1218.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44015091482571,43.2459578287333]}},{"type":"Feature","properties":{"resourceCoords":[1218.0,1259.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.4409596237189,43.24595361431059]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1259.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44096523622551,43.246522928513684]}},{"type":"Feature","properties":{"resourceCoords":[998.4,1043.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.440822,43.246057]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elma, Iowa | 1894 | sanborn02650_001 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"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":"2026-09-22T07:12:36Z","modified":"2026-09-22T07:12:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3832.4,7652.0 3805.6,2541.6 6452.0,2517.2 6452.0,1250.4 3720.8,1280.0 3721.2,0.0 1215.6,0.0 1218.0,1259.6 0.0,1258.8 0.0,2456.4 1456.0,2455.6 1482.4,3628.4 0.0,3640.0 -0.0,7652.0 3832.4,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4656.0,1668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.437658,43.24301]}},{"type":"Feature","properties":{"resourceCoords":[356.0,6660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.440811,43.245059]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elma, Iowa | 1894 | sanborn02650_001 p2 [5]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3805.6"},{"label":"split_canvas_y","value":"2517.2"},{"label":"split_canvas_w","value":"2646.4"},{"label":"split_canvas_h","value":"5134.8"}],"created":"2026-09-22T07:12:36Z","modified":"2026-09-22T07:12:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002__5/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3808.2,3038.9 3832.4,7652.0 6452.0,7652.0 6452.0,3103.0 3808.2,3038.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026501894:02650_1894-0002__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4057.4,2825.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.435893,43.245824]}},{"type":"Feature","properties":{"resourceCoords":[6052.2,2825.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.434583,43.245839]}}]}}]}