{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02763_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Muscatine, Iowa | 1919 | 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":"41"},{"label":"placed","value":"25"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 19, georef-snap 5, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 30 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 41.41924,-91.06102 +/-2909m); p11__2 (tier 1, 41.41600,-91.05884 +/-100m); p12__2 (tier 1, 41.41566,-91.05391 +/-100m); p12__3 (tier 1, 41.44195,-91.05962 +/-100m); p13__1 (tier 1, 41.41133,-91.06114 +/-100m); p13__3 (tier 1, 41.41228,-91.06078 +/-100m); p15__1 (tier 1, 41.43266,-91.04284 +/-221m); p15__2 (tier 2, 41.40996,-91.06092 +/-100m); p15__3 (tier 1, 41.39341,-91.05694 +/-106m); p15__4 (tier 1, 41.43367,-91.07964 +/-100m); p16__2 (tier 1, 41.41892,-91.05390 +/-125m); p16__4 (tier 1, 41.42817,-91.03960 +/-100m); p17__3 (tier 1, 41.40109,-91.06661 +/-124m); p18__5 (tier 3, 41.43172,-91.05080 +/-2140m); p19__2 (tier 1, 41.42904,-91.04538 +/-100m); p19__3 (tier 1, 41.42761,-91.04869 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p10","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4254.6,299.6 4237.8,-0.0 6452.0,-0.0 6452.0,7652.0 550.0,7652.0 -0.0,614.5 4254.6,299.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2576.0,6740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.051005,41.418335]}},{"type":"Feature","properties":{"resourceCoords":[2052.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.047862,41.420102]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p11 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"},{"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":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0011__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3175.8,7293.6 3992.6,7301.5 3995.7,7652.0 5565.2,7652.0 5789.4,6642.1 5767.6,3789.7 6192.2,3791.0 6217.4,1392.5 6452.0,1398.7 6452.0,0.0 2438.4,0.0 2467.6,2847.6 0.0,2834.8 -0.0,7004.9 1372.6,5411.7 1376.0,5536.0 1360.7,7400.1 1292.1,7429.4 1344.8,7652.0 3029.7,7652.0 3175.8,7293.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3968.0,5536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.058979,41.414538]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,5536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.060652,41.414583]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p12 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"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":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0012__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7169.8 -0.0,7652.0 3974.0,7652.0 3973.6,6382.8 5156.4,6383.6 5156.4,5778.4 6452.0,5778.0 6452.0,0.0 1124.3,0.0 1162.0,2368.0 743.0,2377.8 831.0,5409.5 637.2,6195.3 -0.0,6212.2 -0.0,7162.4 -0.0,7169.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[756.0,5852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.05791,41.413651]}},{"type":"Feature","properties":{"resourceCoords":[1160.0,2368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.057503,41.415344]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p13 [2]","metadata":[{"label":"streets","value":"8"},{"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":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0013__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.0,7652.0 99.6,7231.9 4782.0,7237.1 4781.1,6974.5 6452.0,6980.7 6452.0,581.8 5076.1,1705.4 4152.0,573.7 3456.1,1173.3 3224.5,909.3 2599.4,1437.5 2722.9,1805.0 1615.5,2759.1 1626.8,4155.6 0.0,4159.2 -0.0,7652.0 101.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3224.0,908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.059004,41.413683]}},{"type":"Feature","properties":{"resourceCoords":[688.0,5184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.062076,41.413]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,277.3 4731.1,265.2 4731.1,-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:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.06313142057937,41.41256460768582]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.06012162142326,41.41045873941922]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.06342836550891,41.40776268076576]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.06643816466502,41.40986854903236]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p16 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"18"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3406.8"},{"label":"split_canvas_h","value":"4495.6"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0016__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 0.0,4462.0 3358.8,4495.6 3378.8,2708.0 3406.8,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1139.6,2319.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.053982,41.417875]}},{"type":"Feature","properties":{"resourceCoords":[3230.9,2319.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.0528883,41.418494]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0016__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p16 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2708.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4944.0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0016__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2108.9,4871.0 -0.0,4829.8 -0.0,7652.0 5297.2,7652.0 5298.8,6627.6 6452.0,6598.0 6452.0,2714.8 6045.8,2713.9 3378.3,2752.7 3358.8,4495.6 2114.0,4483.1 2108.9,4871.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0016__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5408.0,2807.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.03932,41.429813]}},{"type":"Feature","properties":{"resourceCoords":[1216.0,4850.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.040638,41.427839]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p17 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"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":"4169.6"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1536.0 2268.8,1500.4 2300.8,3197.2 1775.2,4169.6 4188.4,4164.8 4188.4,3740.8 6452.0,3720.8 6452.0,0.0 -0.0,-0.0 0.0,1536.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1720.0,448.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.067341,41.399446]}},{"type":"Feature","properties":{"resourceCoords":[1720.0,2497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.06737,41.398488]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p17 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1500.4"},{"label":"split_canvas_w","value":"2300.8"},{"label":"split_canvas_h","value":"3168.8"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,4669.2 1517.2,4646.8 1775.2,4169.6 2300.8,3197.2 2268.8,1500.4 0.0,1536.0 0.0,4669.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1500.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.05747309872767,41.41884945848]}},{"type":"Feature","properties":{"resourceCoords":[2300.8,1500.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.05602437864962,41.41874327844988]}},{"type":"Feature","properties":{"resourceCoords":[2300.8,4669.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.05621956008956,41.41724806402062]}},{"type":"Feature","properties":{"resourceCoords":[0.0,4669.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.0576682801676,41.417354244050735]}},{"type":"Feature","properties":{"resourceCoords":[456.2,2104.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.057223,41.418544]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p17 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4164.8"},{"label":"split_canvas_w","value":"4188.8"},{"label":"split_canvas_h","value":"3487.2"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4188.8,7652.0 4188.4,4164.8 1775.2,4169.6 1517.2,4646.8 0.0,4669.2 -0.0,7652.0 4188.8,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0017__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,4164.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04970895643658,41.43650919903595]}},{"type":"Feature","properties":{"resourceCoords":[4188.8,4164.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04709784394433,41.43685039790212]}},{"type":"Feature","properties":{"resourceCoords":[4188.8,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04671860256357,41.43522088782987]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04932971505582,41.434879688963704]}},{"type":"Feature","properties":{"resourceCoords":[1544.3,6436.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.0484995,41.4355745]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p18 [1]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"15"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1954.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1098.5,7652.0 1086.6,7031.2 1953.4,6997.3 1938.8,0.0 -0.0,-0.0 0.0,7652.0 1098.5,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[971.4,4340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.031086,41.431907]}},{"type":"Feature","properties":{"resourceCoords":[971.4,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.030822,41.435223]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p18 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"1938.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3271.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1938.8,0.0 1954.8,7652.0 5210.0,7652.0 4649.6,4938.0 4292.4,3336.0 4280.0,3336.0 4278.4,3272.8 4200.4,0.0 1938.8,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3606.4,352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.054222,41.435536]}},{"type":"Feature","properties":{"resourceCoords":[4654.1,7260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.056951,41.433134]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p18 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"4200.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2251.6"},{"label":"split_canvas_h","value":"3355.2"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 4200.4,0.0 4278.4,3272.8 4280.0,3336.0 4292.4,3336.0 6452.0,3355.2 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4200.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04456899890599,41.439692873193366]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04316357340527,41.43951534511923]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3355.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04351664188235,41.43794598338591]}},{"type":"Feature","properties":{"resourceCoords":[4200.4,3355.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04492206738307,41.43812351146004]}},{"type":"Feature","properties":{"resourceCoords":[6096.1,3319.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.043735,41.437991]}},{"type":"Feature","properties":{"resourceCoords":[6096.1,3319.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.043735,41.437991]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p18 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"4292.4"},{"label":"split_canvas_y","value":"3336.0"},{"label":"split_canvas_w","value":"2159.6"},{"label":"split_canvas_h","value":"1602.0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3355.2 6231.4,3353.2 4329.4,3501.9 4649.6,4938.0 6452.0,4908.8 6452.0,3355.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0018__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4292.4,3336.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.03113648108719,41.42954329735282]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3336.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.02976843453156,41.42950124873504]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,4938.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.0298097904159,41.42873421138002]}},{"type":"Feature","properties":{"resourceCoords":[4292.4,4938.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.03117783697152,41.4287762599978]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p19 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"34"},{"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":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0019__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6237.4,59.2 6220.4,59.1 6218.8,-0.0 -0.0,0.0 0.0,5852.8 1500.8,5856.8 1506.4,4556.8 2447.6,4548.0 2456.8,5860.0 2162.8,5859.2 2146.0,7652.0 2624.9,7652.0 2625.2,7478.0 6239.6,7483.6 6237.4,59.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3052.0,3228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.045892,41.429833]}},{"type":"Feature","properties":{"resourceCoords":[4108.0,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.041956,41.430809]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6452.0,0.0 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:g4154mm:g027631919:02763_1919-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04006835075289,41.42637406888789]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.03681328750525,41.42822145949796]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.0338892854668,41.425328770807425]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.03714434871443,41.42348138019735]}},{"type":"Feature","properties":{"resourceCoords":[5208.0,3256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.0361967,41.4266344]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p20 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2642.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0020__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 2604.8,7652.0 2627.2,7652.0 2642.4,0.0 -0.0,-0.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[447.7,3320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.065888,41.403801]}},{"type":"Feature","properties":{"resourceCoords":[447.7,5444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.065915,41.401817]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p20 [2]","metadata":[{"label":"streets","value":"17"},{"label":"intersections","value":"29"},{"label":"split_canvas_x","value":"2627.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3824.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0020__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6228.2,132.0 2642.1,133.3 2627.2,7652.0 6452.0,7652.0 6452.0,7111.4 6197.1,7110.6 6244.6,6541.9 6228.2,132.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5185.1,4428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.052826,41.423475]}},{"type":"Feature","properties":{"resourceCoords":[6228.2,132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.047759,41.425086]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2981.2,-0.0 2980.2,2144.3 5744.6,2108.0 5814.7,275.4 5811.1,-0.0 6027.3,-0.0 6043.9,2050.7 6452.0,2047.2 6452.0,7281.7 833.0,7265.8 843.9,-0.0 2981.2,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2972.0,908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.040638,41.427839]}},{"type":"Feature","properties":{"resourceCoords":[2972.0,7272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.043808,41.42607]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"808.7,7652.0 838.2,6665.2 560.7,6653.0 737.2,1698.5 6452.0,1852.4 6452.0,7652.0 808.7,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3368.0,4820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.040434,41.424254]}},{"type":"Feature","properties":{"resourceCoords":[1392.0,2676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.040147,41.425671]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5454.9,7004.6 652.0,7007.5 653.3,744.7 6452.0,756.7 6452.0,4920.8 5477.9,4919.6 5454.9,7004.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04446866963849,41.42733179135152]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.0420332773572,41.42487307858627]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04589495729309,41.42269204852839]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04833034957437,41.42515076129364]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6982.8 -0.0,4983.5 936.0,4980.6 902.7,1970.0 6452.0,1742.6 6452.0,6375.7 5614.2,6369.2 5622.9,6953.7 -0.0,6982.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3376.0,4976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.0435612,41.4225011]}},{"type":"Feature","properties":{"resourceCoords":[1372.0,4976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.0443439,41.4232984]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"215.6,615.2 6383.7,577.1 6393.1,6905.9 225.2,6940.3 215.6,615.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.0475256663603,41.42534532499391]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04508164011548,41.42285063897124]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04899969783904,41.420661808458625]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.05144372408385,41.4231564944813]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"289.2,6974.0 236.7,657.3 4602.3,601.9 4592.8,-0.0 6452.0,-0.0 6452.0,6783.3 4496.8,6652.6 4491.7,6945.1 289.2,6974.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04515311353599,41.422990802693526]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04272719913745,41.42047875778162]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04667238089876,41.418306071308685]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.0490982952973,41.42081811622059]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muscatine, Iowa | 1919 | sanborn02763_007 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:54:01Z","modified":"2026-09-23T11:54:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 101.4,357.2 6332.3,341.1 6282.3,944.4 6299.4,7249.7 6452.0,7261.3 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154mm:g027631919:02763_1919-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.0508502879429,41.42341440540795]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.04840208508512,41.420929155179934]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.05230521022267,41.41873652063171]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.05475341308045,41.421221770859724]}}]}}]}