{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02586_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brooklyn, Iowa | 1932 | 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":"9"},{"label":"placed","value":"6"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 41.73162,-92.44461 +/-450m); p3__2 (tier 1, 41.73619,-92.44574 +/-100m); p3__4 (tier 1, 41.73670,-92.44133 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0001__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 | 1932 | sanborn02586_004 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.96"},{"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":"3567.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T15:17:11Z","modified":"2026-10-18T15:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"854.7,1849.9 852.9,1362.4 869.4,886.3 873.6,410.1 874.2,46.9 373.4,77.9 374.4,1.0 363.7,1.0 358.2,81.1 180.0,116.1 58.5,236.8 97.3,1419.5 53.3,1818.4 254.4,1858.3 337.9,1856.9 854.7,1849.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[362.9,888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.445457,41.73359]}},{"type":"Feature","properties":{"resourceCoords":[362.9,1367.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.445453,41.732683]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0001__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 | 1932 | sanborn02586_004 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.72"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3567.6"},{"label":"split_canvas_y","value":"5941.2"},{"label":"split_canvas_w","value":"2884.4"},{"label":"split_canvas_h","value":"1710.8"}],"created":"2026-10-18T15:17:11Z","modified":"2026-10-18T15:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"895.3,1840.2 905.9,1840.9 905.7,1912.0 1403.8,1912.0 1402.9,1816.6 1612.0,1829.7 1612.0,1827.5 1591.3,1826.8 1539.4,1524.4 1192.2,1516.1 1107.8,1595.5 909.6,1615.9 895.3,1840.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[891.9,1485.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44546333360067,41.73607377154438]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1485.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44362476934477,41.73606434756229]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44363224866522,41.73525027284645]}},{"type":"Feature","properties":{"resourceCoords":[891.9,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44547081292113,41.73525969682854]}},{"type":"Feature","properties":{"resourceCoords":[905.9,1847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.445434,41.735386]}},{"type":"Feature","properties":{"resourceCoords":[905.9,1847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.44544,41.734921]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Iowa | 1932 | sanborn02586_004 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.57"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T15:17:11Z","modified":"2026-10-18T15:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.8,5.6 384.3,14.0 384.5,11.7 1495.6,21.8 1562.5,86.9 1583.3,434.9 1584.3,1809.9 1526.1,1877.0 991.1,1883.6 996.0,1905.2 591.0,1876.2 388.4,1869.0 92.9,1862.2 108.4,1387.7 141.3,924.8 162.4,461.5 179.8,5.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[638.0,954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.442876,41.733578]}},{"type":"Feature","properties":{"resourceCoords":[1109.0,33.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4417451,41.7354035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0003__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 | 1932 | sanborn02586_004 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"2026-10-18T15:17:11Z","modified":"2026-10-18T15:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1594.1,1247.2 1547.4,1245.9 1512.5,1135.8 1514.5,1135.6 1514.1,1026.1 1494.2,1030.0 1510.3,377.1 1516.8,256.3 1426.8,218.2 1429.1,95.2 1135.2,84.8 989.4,158.4 760.6,150.3 350.0,21.4 76.1,76.1 124.8,521.6 21.4,1019.0 92.6,1436.7 52.8,1549.8 208.6,1598.2 762.3,1524.7 798.6,1511.7 1462.6,1356.1 1594.1,1247.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[508.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.44797640867483,41.729346999363315]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.44544685337107,41.72996636775488]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0003__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 | 1932 | sanborn02586_004 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.51"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6219.2"},{"label":"split_canvas_w","value":"2785.2"},{"label":"split_canvas_h","value":"1432.8"}],"created":"2026-10-18T15:17:11Z","modified":"2026-10-18T15:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"677.6,1883.1 614.5,1883.5 586.1,1747.7 45.6,1803.9 82.9,1912.0 200.1,1912.0 677.3,1910.5 677.6,1883.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1554.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44551088380469,41.728780164347505]}},{"type":"Feature","properties":{"resourceCoords":[696.3,1554.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44373860171616,41.72879525890853]}},{"type":"Feature","properties":{"resourceCoords":[696.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.4437281778983,41.728112453520396]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.44550045998682,41.728097358959374]}},{"type":"Feature","properties":{"resourceCoords":[25.0,1699.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.445443,41.728504]}},{"type":"Feature","properties":{"resourceCoords":[25.0,1699.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.445443,41.728504]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Iowa | 1932 | sanborn02586_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T15:17:11Z","modified":"2026-10-18T15:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,790.4 1.0,913.8 90.7,949.8 86.4,1070.6 82.3,1723.4 102.1,1719.1 104.6,1828.5 647.0,1774.7 674.9,1912.0 738.4,1912.0 739.0,1875.4 1547.8,1831.8 1596.2,1503.6 1575.4,187.6 1534.0,23.0 1116.0,2.6 986.1,1.0 2.1,1.0 36.7,12.3 40.4,40.2 57.1,748.4 20.6,790.7 1.0,790.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025861932:02586_1932-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1114.0,480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.44288789330028,41.73088236823526]}},{"type":"Feature","properties":{"resourceCoords":[594.0,1592.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.44415516857615,41.72876809926736]}}]}}]}