{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02598_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Centerville, Iowa | 1898 | 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":"18"},{"label":"placed","value":"6"},{"label":"unplaced","value":"12"},{"label":"fit sources","value":"georef 4, georef-snap 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 40.73391,-92.87473 +/-121m); p1__3 (tier 1, 40.73084,-92.87040 +/-100m); p7__1 (tier 1, 40.73856,-92.88158 +/-158m); p7__2 (tier 1, 40.73204,-92.86710 +/-114m); p7__4 (tier 1, 40.73617,-92.88180 +/-102m); p8__1 (tier 4, 40.73942,-92.85437 +/-10453m); p8__2 (tier 4, 40.73942,-92.85437 +/-10453m); p8__3 (tier 4, 40.73942,-92.85437 +/-10453m); p8__4 (tier 4, 40.73942,-92.85437 +/-10453m); p8__5 (tier 4, 40.73942,-92.85437 +/-10453m); p8__6 (tier 4, 40.73942,-92.85437 +/-10453m)"},{"label":"withheld","value":"p6 (12.1 km from the catalogue location)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Centerville, Iowa | 1898 | sanborn02598_004 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"2026-09-22T03:29:44Z","modified":"2026-09-22T03:29:44Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5097.6,0.0 2549.3,0.0 332.0,4216.0 340.3,4741.2 -0.0,4748.4 0.0,5690.4 3980.3,5691.5 5097.6,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3944.0,5588.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8741898,40.7311224]}},{"type":"Feature","properties":{"resourceCoords":[332.0,4216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8764356,40.731789]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Centerville, Iowa | 1898 | sanborn02598_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T03:29:44Z","modified":"2026-09-22T03:29:44Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6267.2,5170.0 6105.9,7493.7 5735.4,7491.9 5735.6,7652.0 -0.0,7652.0 -0.0,0.0 6160.5,-0.0 6151.3,2308.9 6452.0,2630.0 6452.0,5003.1 6267.2,5170.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87191666142739,40.737802725920126]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87188109974036,40.73479305476986]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87655884382096,40.734760871797796]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87659440550799,40.73777054294806]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Centerville, Iowa | 1898 | sanborn02598_004 p3","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-22T03:29:44Z","modified":"2026-09-22T03:29:44Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 2454.5,0.0 2452.0,372.0 4634.6,440.3 4933.4,723.3 5645.8,724.4 5643.8,2894.0 4773.2,2875.7 4776.7,3272.3 6083.2,3290.7 6072.0,7132.0 2426.8,7117.4 2423.9,7652.0 -0.0,7652.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2452.0,372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.876464,40.734923]}},{"type":"Feature","properties":{"resourceCoords":[6072.0,7132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8741994,40.7318002]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Centerville, Iowa | 1898 | sanborn02598_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T03:29:44Z","modified":"2026-09-22T03:29:44Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1889.3,7007.5 433.1,7001.7 440.8,3180.8 1719.6,3162.4 1725.9,2821.4 -0.0,2880.2 -0.0,628.5 1656.2,629.7 1977.0,329.7 4283.0,340.5 4283.2,0.0 6452.0,0.0 6452.0,6700.9 1890.8,6672.6 1889.3,7007.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87450628370635,40.73506860141653]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87055709305336,40.735097967065755]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.870511453909,40.73152382822638]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87446064456199,40.73149446257715]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Centerville, Iowa | 1898 | sanborn02598_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T03:29:44Z","modified":"2026-09-22T03:29:44Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1788.3 385.6,1791.9 375.0,338.6 1833.3,335.4 1832.7,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,1788.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87442930965916,40.73195752876974]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87048592715239,40.73196814287595]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87046943181994,40.7283990942333]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.87441281432672,40.728388480127094]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0007__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Centerville, Iowa | 1898 | sanborn02598_004 p7 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3243.6"},{"label":"split_canvas_y","value":"3138.8"},{"label":"split_canvas_w","value":"3208.4"},{"label":"split_canvas_h","value":"4513.2"}],"created":"2026-09-22T03:29:44Z","modified":"2026-09-22T03:29:44Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0007__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3142.8 3245.6,3138.8 3244.8,5193.2 3243.6,7652.0 6452.0,7652.0 6452.0,3142.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g025981898:02598_1898-0007__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3243.6,3138.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.86908030065707,40.73168136124447]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3138.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.86710986144573,40.731686843408994]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.86709968431101,40.729588645854435]}},{"type":"Feature","properties":{"resourceCoords":[3243.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.86907012352236,40.72958316368991]}},{"type":"Feature","properties":{"resourceCoords":[5113.5,7396.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8679223,40.7297053]}}]}}]}