{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02583_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Boone, Iowa | 1916 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"34"},{"label":"placed","value":"19"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef 15, georef-snap 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 26 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 42.05727,-93.89135 +/-256m); p11__2 (tier 1, 42.07002,-93.87698 +/-100m); p11__3 (tier 1, 42.06896,-93.87498 +/-100m); p11__4 (tier 1, 42.06841,-93.87476 +/-100m); p11__5 (tier 1, 42.07195,-93.87351 +/-100m); p11__6 (tier 1, 42.07041,-93.87147 +/-100m); p13__2 (tier 1, 42.05782,-93.87311 +/-100m); p13__3 (tier 1, 42.05720,-93.87864 +/-100m); p16__2 (tier 1, 42.06793,-93.86840 +/-120m); p16__3 (tier 1, 42.06375,-93.87129 +/-100m); p16__4 (tier 1, 42.06852,-93.87176 +/-118m); p3__2 (tier 1, 42.06700,-93.88038 +/-100m); p5__2 (tier 1, 42.07069,-93.90606 +/-100m); p9__1 (tier 1, 42.06125,-93.86712 +/-100m); p9__3 (tier 3, 42.06600,-93.88419 +/-1580m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,-0.0 6262.9,0.0 6305.1,7420.1 5634.2,7407.0 2914.3,7450.4 2228.0,7440.3 1777.7,7444.9 1779.5,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88615515063465,42.07374079134106]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.8782017730888,42.07374983699106]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.87818742239277,42.06669836770403]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88614079993862,42.066689322054025]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p11 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"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":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0011__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2175.2,7652.0 4216.0,7652.0 5320.0,7652.0 6452.0,7652.0 6452.0,2856.0 5146.4,2860.8 4258.8,2864.4 4258.0,2115.2 4257.6,1283.6 4256.4,0.0 388.1,0.0 402.5,7426.0 2173.9,7416.2 2175.2,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4116.0,2940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8737969,42.0710557]}},{"type":"Feature","properties":{"resourceCoords":[6080.0,2940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8713635,42.0710651]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p12 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5447.2"},{"label":"split_canvas_w","value":"2062.4"},{"label":"split_canvas_h","value":"2204.8"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0012__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2051.2,7652.0 2062.4,5462.4 0.0,5447.2 0.0,7652.0 2051.2,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1758.6,7372.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8930788,42.0593176]}},{"type":"Feature","properties":{"resourceCoords":[1758.6,5519.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.893078,42.060265]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p12 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"3"},{"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":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0012__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6262.3,7652.0 6287.9,181.0 4936.0,171.6 4930.6,879.7 1461.1,906.7 1454.1,0.0 -0.0,-0.0 0.0,5447.2 2062.4,5462.4 2051.2,7652.0 6262.3,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3560.0,5796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.883302,42.055523]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,5796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8799441,42.0555423]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p13 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"},{"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":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0013__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 2598.4,7652.0 2592.0,5846.0 4566.4,5846.0 6452.0,5846.0 6452.0,0.0 6163.7,0.0 6165.3,183.1 258.7,156.7 237.4,7585.1 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2972.0,4644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.876595,42.05659]}},{"type":"Feature","properties":{"resourceCoords":[2972.0,172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.876635,42.060693]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p14","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 -0.0,1293.3 1151.0,1318.3 1165.6,128.3 3164.4,165.8 3360.7,165.7 3364.3,-0.0 6452.0,-0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1120.0,4304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.9055749,42.0602794]}},{"type":"Feature","properties":{"resourceCoords":[5228.0,164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.90296,42.058388]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p15 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"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":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4229.6,6447.4 6452.0,6436.9 6452.0,-0.0 -0.0,0.0 0.0,3308.4 1464.4,3305.6 1463.6,4400.4 0.0,4400.8 -0.0,7652.0 4223.2,7652.0 4222.8,6508.0 4230.2,6508.0 4229.6,6447.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2096.0,4464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.901718,42.061244]}},{"type":"Feature","properties":{"resourceCoords":[4168.0,508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.899288,42.06027]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p15 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3305.6"},{"label":"split_canvas_w","value":"1464.4"},{"label":"split_canvas_h","value":"1095.2"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,4400.8 1463.6,4400.4 1464.4,3305.6 0.0,3308.4 0.0,4400.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3305.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89316033590472,42.06208101238241]}},{"type":"Feature","properties":{"resourceCoords":[1464.4,3305.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89312031439599,42.06276105907023]}},{"type":"Feature","properties":{"resourceCoords":[1464.4,4400.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89243498425951,42.06273880183009]}},{"type":"Feature","properties":{"resourceCoords":[0.0,4400.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89247500576825,42.06205875514227]}},{"type":"Feature","properties":{"resourceCoords":[1332.4,3381.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8930764,42.0626982]}},{"type":"Feature","properties":{"resourceCoords":[1332.4,3381.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8930764,42.0626982]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p15 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"4222.8"},{"label":"split_canvas_y","value":"6508.0"},{"label":"split_canvas_w","value":"2229.2"},{"label":"split_canvas_h","value":"1144.0"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,6512.8 4222.8,6508.0 4223.2,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0015__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4302.7,7476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.909391,42.057417]}},{"type":"Feature","properties":{"resourceCoords":[6148.4,7476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.909388,42.05648]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p16 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3279.6"},{"label":"split_canvas_h","value":"4932.8"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0016__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3279.6,3443.6 3279.2,0.0 -0.0,-0.0 0.0,4927.6 3279.6,4932.8 3279.6,3443.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.9,4760.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.871607,42.062756]}},{"type":"Feature","properties":{"resourceCoords":[3155.6,4760.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.869912,42.062765]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0016__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p16 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3559.6"},{"label":"split_canvas_y","value":"4933.2"},{"label":"split_canvas_w","value":"2892.4"},{"label":"split_canvas_h","value":"2718.8"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0016__5/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,4938.0 3559.6,4933.2 3585.6,7652.0 6452.0,7652.0 6452.0,4938.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0016__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3559.6,4933.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89178322000473,42.06700637165351]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,4933.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88997071107163,42.06699272284632]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88998796772866,42.06572810624248]}},{"type":"Feature","properties":{"resourceCoords":[3559.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89180047666176,42.06574175504967]}},{"type":"Feature","properties":{"resourceCoords":[6236.3,5217.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8901077,42.0668617]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,284.3 6452.0,300.6 6452.0,7099.6 897.8,7087.2 884.7,7652.0 -0.0,7652.0 -0.0,284.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3624.0,2500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.881704,42.065886]}},{"type":"Feature","properties":{"resourceCoords":[4508.0,7072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8811314,42.0637994]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p3 [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":"7652.0"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"377.7,401.8 370.8,7093.9 6452.0,7133.7 6452.0,5508.4 4496.0,5000.4 4495.2,4362.0 6452.0,4070.4 6452.0,415.2 377.7,401.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5568.0,7128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8766813,42.0638064]}},{"type":"Feature","properties":{"resourceCoords":[260.0,2600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8800341,42.0658828]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89071581230304,42.06484742813771]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88663254356433,42.06486764833791]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88660046834066,42.06124701182476]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89068373707937,42.06122679162456]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p5 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,808.5 2916.0,784.0 2871.8,3491.7 -0.0,3443.1 0.0,3562.4 1638.8,3563.6 1636.8,4880.8 0.0,4881.6 -0.0,7652.0 6452.0,7652.0 6452.0,808.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0005__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":[-93.88121367549533,42.06304430624136]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88115101224119,42.060044768336105]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88593981092077,42.05998956034756]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88600247417492,42.062989098252814]}},{"type":"Feature","properties":{"resourceCoords":[2916.0,784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.881676,42.061683]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5973.6,7262.3 3274.7,7259.4 3248.0,5107.3 507.1,5100.0 519.4,2850.6 516.6,2211.6 -0.0,2218.6 -0.0,1138.4 533.0,1134.1 541.5,575.3 5947.6,543.5 5973.6,7262.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88369051609868,42.06404153459832]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.87970059895301,42.06404713710749]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.87969171182564,42.06050923139544]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88368162897132,42.06050362888627]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"573.9,7302.0 539.9,538.6 5961.5,518.5 6032.0,7297.2 573.9,7302.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88034379764319,42.0640425875026]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.87638021782877,42.06404472918145]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.87637682053392,42.06053017761568]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.88034040034835,42.060528035936834]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p8","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.6,7439.1 190.5,745.9 1073.4,756.3 1077.5,0.0 6452.0,0.0 6452.0,7518.9 154.6,7439.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5516.0,5304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.873298,42.061727]}},{"type":"Feature","properties":{"resourceCoords":[5516.0,832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.873344,42.063807]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boone, Iowa | 1916 | sanborn02583_006 p9 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"2618.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3833.2"},{"label":"split_canvas_h","value":"3250.4"}],"created":"2026-09-22T18:39:14Z","modified":"2026-09-22T18:39:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0009__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3232.0 6452.0,0.0 2618.8,-0.0 2623.2,1746.4 2624.0,2003.2 6452.0,3250.4 6452.0,3232.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154bm:g025831916:02583_1916-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2998.5,1227.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.867576,42.061744]}},{"type":"Feature","properties":{"resourceCoords":[6056.3,1227.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.865702,42.061767]}}]}}]}