{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02695_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Iowa City, Iowa | 1920 | 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":"29"},{"label":"placed","value":"19"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef-snap 10, georef 7, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 17 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 41.65484,-91.51751 +/-251m); p13__2 (tier 1, 41.66281,-91.54303 +/-244m); p13__3 (tier 1, 41.66255,-91.54255 +/-100m); p13__4 (tier 1, 41.66219,-91.54372 +/-174m); p14__1 (tier 2, 41.65921,-91.53846 +/-100m); p14__2 (tier 1, 41.65847,-91.54562 +/-205m); p14__5 (tier 1, 41.65948,-91.54528 +/-100m); p14__6 (tier 1, 41.65805,-91.54590 +/-100m); p15__1 (tier 1, 41.65135,-91.51666 +/-118m); p15__3 (tier 1, 41.65422,-91.50659 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p10 [1]","metadata":[{"label":"streets","value":"7"},{"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":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0010__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7365.7 -0.0,7652.0 1748.0,7652.0 2382.8,7652.0 2388.8,5796.4 2995.6,4782.8 3920.0,4791.0 3966.3,4544.5 6116.2,4546.3 6116.0,272.0 985.9,222.8 983.4,5105.3 786.3,5105.8 768.5,7319.2 -0.0,7365.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6116.0,2516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5272687,41.6578241]}},{"type":"Feature","properties":{"resourceCoords":[6116.0,272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5272539,41.658918]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p10 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2382.8"},{"label":"split_canvas_y","value":"4782.8"},{"label":"split_canvas_w","value":"4069.2"},{"label":"split_canvas_h","value":"2869.2"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0010__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2564.0,7652.0 6452.0,7652.0 6452.0,4813.6 2995.6,4782.8 2388.8,5796.4 2382.8,7652.0 2564.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4397.4,6181.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5302219,41.6543885]}},{"type":"Feature","properties":{"resourceCoords":[5009.0,6181.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.530223,41.6541181]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p11","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"662.4,3266.1 -0.0,3271.3 -0.0,3137.0 1621.3,3135.6 1623.0,588.6 1722.1,0.0 3891.6,0.0 3892.0,512.0 6160.0,512.0 6163.9,2770.9 6452.0,2771.1 6452.0,7652.0 -0.0,7652.0 -0.0,6983.1 691.8,6977.6 662.4,3266.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6160.0,512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5258188,41.656575]}},{"type":"Feature","properties":{"resourceCoords":[3892.0,512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5272853,41.656587]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,-0.0 6452.0,7652.0 365.4,7652.0 222.0,7360.5 197.7,1311.2 388.1,1311.3 365.3,-0.0 6452.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53235012886792,41.65559536107024]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53241105831128,41.65251220792575]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53727067689937,41.65256658067947]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.537209747456,41.65564973382396]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p13 [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":"2112.8"},{"label":"split_canvas_h","value":"1392.0"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0013__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 0.0,1392.0 2112.8,1390.4 2095.2,0.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0013__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":[-91.5431566271822,41.66113430608698]}},{"type":"Feature","properties":{"resourceCoords":[2112.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54304469298668,41.66215834191378]}},{"type":"Feature","properties":{"resourceCoords":[2112.8,1392.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54214758418746,41.66210283801893]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1392.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54225951838298,41.66107880219213]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0014__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p14 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4004.0"},{"label":"split_canvas_w","value":"1185.2"},{"label":"split_canvas_h","value":"1421.2"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0014__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,4004.0 0.0,5422.4 957.2,5424.8 1185.2,5425.2 1174.0,4005.2 0.0,4004.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,4004.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.5459693771855,41.65966816859605]}},{"type":"Feature","properties":{"resourceCoords":[1185.2,4004.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54520871434323,41.65966237503509]}},{"type":"Feature","properties":{"resourceCoords":[1185.2,5425.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54521797554385,41.65897406030318]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5425.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54597863838612,41.65897985386414]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0014__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p14 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5422.4"},{"label":"split_canvas_w","value":"958.0"},{"label":"split_canvas_h","value":"982.4"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0014__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,5422.4 0.0,6404.8 958.0,6404.8 957.2,5424.8 0.0,5422.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0014__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,5422.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54599492462873,41.65948254492436]}},{"type":"Feature","properties":{"resourceCoords":[958.0,5422.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54537950025322,41.65948170920797]}},{"type":"Feature","properties":{"resourceCoords":[958.0,6404.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54538063878776,41.65900710111984]}},{"type":"Feature","properties":{"resourceCoords":[0.0,6404.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54599606316327,41.65900793683623]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p15 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"19"},{"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":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0015__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6252.6,3772.2 6452.0,3771.9 6452.0,1792.4 3544.4,1757.6 3543.2,0.0 1949.6,0.0 1937.2,3845.2 0.0,3850.0 -0.0,7016.5 1493.3,7046.2 1493.9,7340.1 6254.6,7339.4 6252.6,3772.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5068.0,4964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.530082,41.667969]}},{"type":"Feature","properties":{"resourceCoords":[2704.0,6152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.53303,41.666891]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1354.3,7345.8 1334.4,3756.1 136.9,3756.3 114.1,184.0 315.2,182.5 314.1,0.0 6452.0,0.0 6452.0,7304.7 1354.3,7345.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52873360926945,41.66923395663411]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52079762573392,41.66913607741907]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52095192906538,41.66205536202464]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52888791260091,41.66215324123968]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 1383.6,7652.0 1380.6,6468.5 184.0,6469.7 179.6,3941.7 398.1,3940.7 402.7,2675.0 177.3,2672.9 175.4,1494.0 406.9,1493.1 407.4,1370.2 172.7,1373.6 165.5,148.2 5282.4,130.1 5283.0,0.0 6452.0,0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52741672999113,41.66255443924895]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.51950971493852,41.66248390441583]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.51962089903954,41.65542829184836]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52752791409215,41.65549882668148]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p2 [1]","metadata":[{"label":"streets","value":"8"},{"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":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6143.3,0.0 1362.8,0.0 1357.6,1323.2 0.0,1339.2 -0.0,7652.0 1646.0,7652.0 1640.0,7392.0 6298.8,7302.0 6143.3,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1640.0,2844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5375759,41.6647381]}},{"type":"Feature","properties":{"resourceCoords":[1640.0,7392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5376674,41.6624935]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p2 [2]","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":"1362.8"},{"label":"split_canvas_h","value":"1339.2"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,1339.2 1357.6,1323.2 1362.8,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52387832028758,41.67396719783171]}},{"type":"Feature","properties":{"resourceCoords":[1362.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52300720273591,41.67387268747366]}},{"type":"Feature","properties":{"resourceCoords":[1362.8,1339.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52313063405559,41.67322894575316]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1339.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52400175160727,41.673323456111206]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"186.8,7351.5 169.4,451.6 5394.0,441.9 5434.2,7311.4 186.8,7351.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53465193415185,41.66602086732068]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53050838325083,41.66598404930572]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.5305664242803,41.66228696676531]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53470997518131,41.66232378478027]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7200.8 -0.0,4899.8 -0.0,2602.3 -0.0,295.5 6297.0,338.2 6263.1,7249.5 -0.0,7200.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53119004199905,41.66591860981339]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52706770958186,41.66590011808621]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52709686046137,41.66222196306043]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53121919287857,41.66224045478761]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6177.7,227.2 6200.8,7652.0 -0.0,7652.0 -0.0,459.5 1488.9,487.8 1488.9,452.8 1487.9,227.9 6177.7,227.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53864278349712,41.662614343460376]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53440589124916,41.6625786260449]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53446219423257,41.65879805640666]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53869908648053,41.65883377382214]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p6","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4956.4,7652.0 469.2,7652.0 476.6,215.2 6452.0,207.7 6452.0,7305.3 4962.2,7294.1 4956.4,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2756.0,4988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5331126,41.6601179]}},{"type":"Feature","properties":{"resourceCoords":[4956.0,4988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5316676,41.6601103]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"21"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7393.5 749.0,7375.2 689.4,209.2 5988.2,199.8 6010.0,2524.6 6452.0,2516.7 6452.0,2749.9 6015.8,2752.9 6027.4,4989.7 6452.0,4992.1 6452.0,7393.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3724.0,216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.528689,41.662425]}},{"type":"Feature","properties":{"resourceCoords":[6028.0,5072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5272387,41.6600479]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2560.1,7390.3 2285.3,7528.2 2271.2,7528.1 2269.7,7652.0 -0.0,7652.0 -0.0,609.6 6264.0,662.3 6223.0,7418.4 2560.1,7390.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53866350518133,41.659129139368446]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53450481233811,41.65912037796239]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53451862260953,41.65540938914847]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53867731545274,41.655418150554524]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1920 | sanborn02695_007 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:15:52Z","modified":"2026-09-23T00:15:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5461.3,7652.0 2533.0,7652.0 2533.8,7482.0 244.1,7480.2 231.8,709.1 4788.0,692.2 4791.5,475.0 4792.6,331.4 6452.0,336.9 6452.0,5227.3 6253.1,5227.9 6267.3,7378.2 5461.2,7492.0 5461.3,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154im:g026951920:02695_1920-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53477195813865,41.659164814761745]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53059851449112,41.65913124179319]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53065143426441,41.65540708868297]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53482487791194,41.655440661651525]}}]}}]}