{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02782_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oelwein, Iowa | 1906 | 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":"14"},{"label":"placed","value":"6"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 4, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 42.68188,-91.92517 +/-100m); p4__1 (tier 1, 42.68153,-91.90790 +/-100m); p5__1 (tier 2, 42.67515,-91.91539 +/-100m); p5__2 (tier 1, 42.67577,-91.92071 +/-100m); p5__3 (tier 1, 42.67437,-91.92050 +/-100m); p6__2 (tier 2, 42.67551,-91.91026 +/-203m); p6__3 (tier 1, 42.67414,-91.91228 +/-100m); p6__4 (tier 2, 42.67551,-91.91026 +/-203m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oelwein, Iowa | 1906 | sanborn02782_004 p1 [2]","metadata":[{"label":"streets","value":"3"},{"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":"5202.8"}],"created":"2026-09-23T08:14:02Z","modified":"2026-09-23T08:14:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 0.0,0.0 0.0,4224.0 3372.8,4235.6 3371.2,5201.2 6452.0,5202.8 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3796.0,4838.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.914829,42.669171]}},{"type":"Feature","properties":{"resourceCoords":[5960.0,4838.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.913476,42.669213]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oelwein, Iowa | 1906 | sanborn02782_004 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"12"}],"created":"2026-09-23T08:14:02Z","modified":"2026-09-23T08:14:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7298.3 0.0,0.0 6452.0,0.0 6452.0,3554.7 6013.5,3556.6 6099.7,7015.2 -0.0,7298.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3888.0,1048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.913307,42.681318]}},{"type":"Feature","properties":{"resourceCoords":[3888.0,7100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.913362,42.678479]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oelwein, Iowa | 1906 | sanborn02782_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:14:02Z","modified":"2026-09-23T08:14:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6381.2,7415.0 -0.0,7480.7 0.0,0.0 6410.4,-0.0 6381.2,7415.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.90710186991348,42.68009213995294]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.9071424724754,42.67698130315314]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.91212577483726,42.67701695439248]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.91208517227534,42.68012779119228]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oelwein, Iowa | 1906 | sanborn02782_004 p4 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"23"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T08:14:02Z","modified":"2026-09-23T08:14:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0004__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"369.9,764.9 380.8,0.0 0.0,-0.0 0.0,5479.6 1282.0,5483.2 1267.6,6524.6 2371.5,6536.8 2918.7,7028.8 6376.9,7026.7 6452.0,569.2 369.9,764.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4260.0,3640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.913362,42.677063]}},{"type":"Feature","properties":{"resourceCoords":[4260.0,624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.913362,42.678479]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oelwein, Iowa | 1906 | sanborn02782_004 p6 [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":"2026-09-23T08:14:02Z","modified":"2026-09-23T08:14:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0006__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3269.5 6443.6,3258.4 5455.6,3260.8 5418.4,844.0 5413.7,450.6 2152.1,488.5 1596.6,0.0 0.0,0.0 0.0,5542.4 1208.4,5541.6 2138.8,5541.2 2141.6,7652.0 6452.0,7652.0 6452.0,3269.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3456.0,3768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.913413,42.6739361]}},{"type":"Feature","properties":{"resourceCoords":[3456.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.91339,42.675474]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oelwein, Iowa | 1906 | sanborn02782_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:14:02Z","modified":"2026-09-23T08:14:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7466.2 103.5,-0.0 6452.0,-0.0 6452.0,6661.3 6096.4,6661.4 5406.1,7188.6 4773.1,7421.9 -0.0,7466.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154om:g027821906:02782_1906-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.90713078293672,42.67705111626418]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.90717860002418,42.67394502637543]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.91215405593381,42.673987014401945]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.91210623884635,42.6770931042907]}}]}}]}