{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02593_009.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Carroll, Iowa | 1948 | 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":"19"},{"label":"placed","value":"14"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 12, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 42.06597,-94.87809 +/-611m); p10__1 (tier 2, 42.06469,-94.87080 +/-162m); p11__3 (tier 1, 42.05869,-94.87117 +/-144m); p11__4 (tier 1, 42.05737,-94.86634 +/-100m); p5__1 (tier 1, 42.06720,-94.87010 +/-176m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p10 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"26"},{"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":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1627.2 426.0,1626.5 427.2,1913.0 596.0,1913.0 811.0,1913.0 1613.0,1913.0 1613.0,1793.9 1435.5,1797.1 1431.6,1585.2 1486.4,1584.0 1481.5,676.3 1399.3,675.6 1405.5,128.0 1280.5,128.0 1281.5,249.3 1183.4,250.8 1181.1,343.5 474.7,349.7 471.6,0.0 -0.0,-0.0 0.0,1627.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1177.0,1581.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8729805,42.060254]}},{"type":"Feature","properties":{"resourceCoords":[574.0,675.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8743396,42.0641458]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p11 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"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":"6184.8"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.7,750.8 204.8,946.5 -0.0,948.7 0.0,1261.0 411.8,1264.9 414.2,1546.2 858.5,1540.3 858.8,1074.6 1613.0,1074.1 1613.0,148.0 125.2,132.9 124.3,750.3 202.7,750.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1043.0,755.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8643291,42.0580034]}},{"type":"Feature","properties":{"resourceCoords":[1044.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8633546,42.0601308]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p11 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"3433.6"},{"label":"split_canvas_y","value":"4296.4"},{"label":"split_canvas_w","value":"3018.4"},{"label":"split_canvas_h","value":"3355.6"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1718.5 1535.1,1717.2 1542.7,1103.8 1244.3,1102.6 1244.0,1151.5 1216.7,1150.7 1216.9,1103.4 920.4,1091.2 913.2,1700.5 858.5,1700.7 858.4,1913.0 1613.0,1913.0 1613.0,1718.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1222.2,1713.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8700903,42.0594719]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,1411.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8681375,42.0601704]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"206.9,319.8 1424.0,336.0 1419.7,1553.5 204.6,1538.1 176.5,1258.5 206.9,319.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[800.0,1543.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8691786,42.0649569]}},{"type":"Feature","properties":{"resourceCoords":[1424.0,336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8667299,42.0667188]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1422.8,1831.3 805.4,1840.0 795.0,1419.0 183.1,1423.5 159.4,279.6 1403.4,259.1 1422.8,1831.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.8668630842897,42.067305300546096]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.86311722703914,42.06628302071605]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.86473891791744,42.06296167451686]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.868484775168,42.06398395434691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"175.6,1810.0 167.0,1202.0 -0.0,1202.5 -0.0,89.7 790.4,85.6 789.5,0.0 1407.7,0.0 1416.9,427.7 1613.0,426.4 1613.0,1796.8 833.3,1813.8 835.8,1913.0 780.2,1913.0 777.9,1817.0 175.6,1810.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[167.0,1202.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8700748,42.0630435]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,1194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8671639,42.0622827]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p5 [2]","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":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1484.5 1415.3,1483.3 1386.9,1201.7 1417.0,256.0 209.5,249.9 196.2,680.8 -0.0,679.0 0.0,1068.1 320.9,1063.0 528.3,1488.4 700.9,1490.2 707.7,1913.0 948.0,1913.0 1410.7,1913.0 1417.0,1728.0 1606.8,1726.2 1613.0,1484.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1417.0,1728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8707832,42.0648893]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8696129,42.0674699]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.1,1699.5 573.0,1697.0 567.4,1913.0 -0.0,1913.0 -0.0,779.1 266.0,780.7 267.6,452.8 111.5,0.0 326.8,0.0 354.3,83.9 610.1,0.0 742.8,0.0 826.5,203.4 911.7,169.8 1490.4,173.7 1487.1,1699.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.87240543179283,42.07481008552474]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.86486918825254,42.072869175563305]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.8679484069376,42.066187567674056]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.87548465047789,42.06812847763549]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p7 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"30"},{"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":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1022.1,1689.5 1054.5,1594.7 1053.8,1515.0 1079.7,1523.5 1080.2,1594.5 1046.6,1697.6 1613.0,1888.7 1613.0,884.9 980.9,884.0 980.7,0.0 675.1,0.0 673.4,282.0 526.4,283.4 525.9,392.6 241.5,394.9 235.9,0.0 -0.0,-0.0 -0.0,753.1 88.8,753.5 86.1,1167.3 102.0,1412.4 192.8,1407.5 1022.1,1689.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1066.0,1393.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.864081,42.0731424]}},{"type":"Feature","properties":{"resourceCoords":[83.0,459.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8689193,42.0766216]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p7 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"943.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1756.8"},{"label":"split_canvas_h","value":"1579.6"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"235.9,0.0 241.5,394.9 525.9,392.6 526.4,283.4 625.1,282.4 625.3,0.0 235.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[378.6,171.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8701533,42.0749105]}},{"type":"Feature","properties":{"resourceCoords":[627.2,171.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8689082,42.0748967]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p7 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3922.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2529.2"},{"label":"split_canvas_h","value":"3539.6"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1121.5,743.0 1384.0,837.0 1498.6,510.6 1500.4,5.0 1613.0,44.5 1613.0,-0.0 980.7,0.0 980.9,884.0 1072.6,884.1 1121.5,743.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0007__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1502.1,457.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8718708,42.0730909]}},{"type":"Feature","properties":{"resourceCoords":[1095.6,457.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8737867,42.0730856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p8","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"33"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.2,1704.9 165.0,175.0 465.3,175.9 466.4,75.6 440.6,0.0 468.0,0.0 490.8,67.4 491.1,176.0 1089.9,180.2 1030.5,0.0 1613.0,0.0 1613.0,1711.7 159.2,1704.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[788.0,1098.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8642712,42.0684545]}},{"type":"Feature","properties":{"resourceCoords":[165.0,175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8657215,42.0724102]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p9 [1]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"30"},{"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":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.3,1738.7 1572.9,1746.1 1572.2,1265.5 1580.8,1194.0 1613.0,1184.5 1613.0,1072.7 1582.8,983.2 1613.0,983.0 1613.0,0.0 896.1,0.0 897.0,282.4 377.5,281.1 373.9,1066.3 163.7,1064.8 154.3,1738.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[981.0,1441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8628584,42.0611842]}},{"type":"Feature","properties":{"resourceCoords":[67.0,1441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8671639,42.0622827]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carroll, Iowa | 1948 | sanborn02593_009 p9 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1408.4"},{"label":"split_canvas_h","value":"3452.0"}],"created":"2026-09-22T17:33:15Z","modified":"2026-09-22T17:33:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.6,210.0 62.7,281.2 60.8,760.1 31.4,759.9 31.4,863.0 351.7,862.7 352.1,0.0 74.7,0.0 104.4,89.4 103.8,200.8 71.6,210.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g025931948:02593_1948-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[227.1,453.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8592865,42.0602887]}},{"type":"Feature","properties":{"resourceCoords":[62.0,453.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8600671,42.0604844]}}]}}]}