{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02586_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brooklyn, Iowa | 1899 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 41.73110,-92.44500 +/-273m); p1__4 (tier 4, 41.73110,-92.44500 +/-273m); p1__5 (tier 4, 41.73110,-92.44500 +/-273m); p2__2 (tier 4, 41.73110,-92.44500 +/-273m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Iowa | 1899 | sanborn02586_002 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.67"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-18T15:42:46Z","modified":"2026-10-18T15:42:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1259.6,40.8 72.5,54.1 34.4,534.0 95.9,889.4 277.5,999.0 572.6,1009.0 699.9,1009.0 731.5,1009.0 731.5,1009.0 736.9,1014.5 783.9,1520.2 926.8,1829.3 1587.5,1847.6 1591.8,1322.8 1465.8,669.4 1521.8,118.5 1259.6,40.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[297.0,685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4454549,41.7299637]}},{"type":"Feature","properties":{"resourceCoords":[976.0,193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4441339,41.7287355]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Iowa | 1899 | sanborn02586_002 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.43"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5476.0"},{"label":"split_canvas_w","value":"1862.0"},{"label":"split_canvas_h","value":"1248.0"}],"created":"2026-10-18T15:42:46Z","modified":"2026-10-18T15:42:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"17.9,1664.4 362.1,1670.5 361.3,1440.5 310.9,1390.4 31.3,1384.2 17.9,1664.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1369.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44614056424328,41.7307354037668]}},{"type":"Feature","properties":{"resourceCoords":[465.5,1369.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44613665201591,41.73161109478039]}},{"type":"Feature","properties":{"resourceCoords":[465.5,1681.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44535170437594,41.73160913831736]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1681.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44535561660331,41.73073344730377]}},{"type":"Feature","properties":{"resourceCoords":[79.9,1646.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.445443,41.730884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Iowa | 1899 | sanborn02586_002 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-18T15:42:46Z","modified":"2026-10-18T15:42:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.5,1856.7 1601.7,1844.5 1586.1,767.5 1506.3,639.3 1157.4,641.8 1154.2,634.5 1107.6,189.7 1149.7,60.1 72.4,39.8 43.5,1856.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861899:02586_1899-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1527.0,840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4429031,41.731783]}},{"type":"Feature","properties":{"resourceCoords":[86.0,1861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.445445,41.734505]}}]}}]}