{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02696_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Iowa Falls, Iowa | 1911 | 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":"12"},{"label":"placed","value":"7"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 5, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p4__2 (tier 1, 42.52462,-93.26124 +/-100m); p7__2 (tier 1, 42.52321,-93.25584 +/-109m); p7__3 (tier 1, 42.52224,-93.25567 +/-100m); p7__4 (tier 1, 42.52076,-93.25986 +/-100m); p7__5 (tier 1, 42.52160,-93.25602 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0001/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 | 1911 | sanborn02696_005 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-23T08:08:01Z","modified":"2026-09-23T08:08:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 95.0,5511.9 3864.0,5512.0 3852.5,3660.9 85.6,3677.0 76.3,1844.7 3840.7,1850.7 3828.8,-0.0 6452.0,-0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1980.0,5512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2679139,42.5196324]}},{"type":"Feature","properties":{"resourceCoords":[3864.0,5512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2679227,42.5187033]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0002/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 | 1911 | sanborn02696_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:08:01Z","modified":"2026-09-23T08:08:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 5951.2,-0.0 5945.8,1435.8 6085.1,1436.3 6083.2,6878.5 6452.0,6880.3 6452.0,7652.0 -0.0,7652.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.26350775700303,42.52875038900005]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.26351681739264,42.52573059733663]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.26834253904113,42.525738572191585]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.26833347865151,42.528758363855005]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0003/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 | 1911 | sanborn02696_005 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T08:08:01Z","modified":"2026-09-23T08:08:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,357.8 402.8,362.4 408.7,0.0 6125.3,69.3 6007.5,7652.0 287.0,7526.2 -0.0,7652.0 -0.0,357.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4168.0,1896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2654143,42.525024]}},{"type":"Feature","properties":{"resourceCoords":[348.0,3756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2678712,42.5241217]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0004__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 | 1911 | sanborn02696_005 p4 [1]","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":"2026-09-23T08:08:01Z","modified":"2026-09-23T08:08:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0004__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,135.4 400.5,136.2 398.1,7539.5 5956.9,7523.8 5957.1,7652.0 6452.0,7652.0 6452.0,1926.4 4227.6,1951.2 4226.8,0.0 -0.0,-0.0 -0.0,135.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4124.0,5688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2617511,42.5232196]}},{"type":"Feature","properties":{"resourceCoords":[4124.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2617292,42.5258877]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0005/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 | 1911 | sanborn02696_005 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:08:01Z","modified":"2026-09-23T08:08:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"229.6,7652.0 222.1,3735.6 -0.0,3737.2 -0.0,-0.0 6049.1,0.0 6068.7,7638.8 4095.9,7652.0 4094.5,3708.0 2159.7,3721.8 2184.3,7652.0 229.6,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.26802449835151,42.52231972100958]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.26393649144173,42.52229247147065]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.2639800323603,42.5186938646575]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.26806803927008,42.51872111419643]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0006/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 | 1911 | sanborn02696_005 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T08:08:01Z","modified":"2026-09-23T08:08:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"138.0,7652.0 140.3,16.0 5779.3,0.0 5779.6,130.0 6281.6,130.0 6281.6,0.0 6452.0,0.0 6452.0,7652.0 138.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3920.0,1884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2617657,42.5214423]}},{"type":"Feature","properties":{"resourceCoords":[3920.0,5704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2617806,42.51963]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0007__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 | 1911 | sanborn02696_005 p7 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"2026-09-23T08:08:01Z","modified":"2026-09-23T08:08:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 2412.0,7652.0 3052.0,7652.0 3679.2,7652.0 3682.8,6236.4 4862.8,6236.4 6452.0,6236.0 6452.0,3191.2 4805.2,3193.2 4804.8,2598.8 4500.4,2123.2 3269.2,0.0 -0.0,-0.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026961911:02696_1911-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.0,2172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.2563785,42.5232337]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.256395,42.5241106]}}]}}]}