{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02796_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Perry, Iowa | 1911 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"16"},{"label":"placed","value":"13"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 12, snap:2 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p11__1 (tier 1, 41.83445,-94.10186 +/-176m); p1__1 (tier 1, 41.83918,-94.10735 +/-261m); p1__2 (tier 3, 41.83998,-94.10666 +/-1068m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p10","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1575.2,1211.2 1527.2,1210.9 1517.7,645.5 1510.5,126.0 962.2,112.8 962.1,191.8 872.5,191.8 795.9,87.3 392.7,98.0 1.0,100.2 1.0,158.5 44.7,162.9 20.6,1064.6 94.7,1203.4 51.1,1277.0 102.6,1320.6 148.9,1723.5 802.1,1873.7 1432.5,1877.4 1571.5,1825.3 1575.2,1211.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[974.0,1159.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.10515,41.834375]}},{"type":"Feature","properties":{"resourceCoords":[402.0,1159.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.106563,41.834381]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p11 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"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":"4708.0"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.1,1176.0 159.7,1176.0 297.1,1170.0 348.8,1097.8 508.3,1157.8 625.2,1115.4 1235.8,1173.0 1564.0,1111.1 1589.4,121.8 1612.0,122.6 1612.0,99.1 1612.0,88.8 1130.7,81.2 902.7,78.0 134.6,67.8 90.7,58.8 89.1,614.6 89.1,1176.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.101085,41.835308]}},{"type":"Feature","properties":{"resourceCoords":[89.0,1124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.103786,41.83437]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2017.6"},{"label":"split_canvas_y","value":"4920.4"},{"label":"split_canvas_w","value":"1992.4"},{"label":"split_canvas_h","value":"1050.4"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"519.4,1467.5 942.1,1480.1 988.8,1246.1 660.0,1300.7 624.1,1256.3 593.5,1373.2 528.7,1306.4 519.4,1467.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[504.4,1230.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.1099550125472,41.83820832377396]}},{"type":"Feature","properties":{"resourceCoords":[1002.5,1230.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.10997026554655,41.83912983376246]}},{"type":"Feature","properties":{"resourceCoords":[1002.5,1492.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.10932162902394,41.83913587751553]}},{"type":"Feature","properties":{"resourceCoords":[504.4,1492.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.10930637602458,41.83821436752702]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5939.2"},{"label":"split_canvas_w","value":"2017.6"},{"label":"split_canvas_h","value":"1712.8"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.2,1832.8 216.6,1884.4 450.9,1871.6 445.6,1587.8 240.5,1622.7 277.5,1564.8 138.8,1520.1 129.2,1832.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1484.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.11101668293671,41.83988339562993]}},{"type":"Feature","properties":{"resourceCoords":[504.4,1484.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.10976861168339,41.83989028951816]}},{"type":"Feature","properties":{"resourceCoords":[504.4,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.10976076079598,41.83909625683293]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.1110088320493,41.839089362944705]}},{"type":"Feature","properties":{"resourceCoords":[118.1,1663.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1107212,41.8395537]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p1 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.66"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2005.6"},{"label":"split_canvas_y","value":"5954.4"},{"label":"split_canvas_w","value":"2004.4"},{"label":"split_canvas_h","value":"1697.6"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"574.5,1725.6 539.2,1907.7 980.2,1891.3 982.0,1520.0 824.9,1571.7 753.0,1513.7 525.3,1529.2 574.5,1725.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[501.4,1488.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.09465398244043,41.8385698562236]}},{"type":"Feature","properties":{"resourceCoords":[1002.5,1488.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.0934133186268,41.8385657233169]}},{"type":"Feature","properties":{"resourceCoords":[1002.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.09341800929336,41.837779080532336]}},{"type":"Feature","properties":{"resourceCoords":[501.4,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.09465867310699,41.83778321343904]}},{"type":"Feature","properties":{"resourceCoords":[580.4,1547.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.094459,41.83846]}},{"type":"Feature","properties":{"resourceCoords":[580.4,1547.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.094168,41.838459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1807.2 1.0,1856.9 1286.6,1868.1 1546.2,1870.5 1576.5,1870.7 1553.5,1324.9 1571.5,1325.0 1571.1,779.3 1568.3,779.3 1568.1,178.5 1555.8,178.4 1567.3,84.8 1475.5,25.2 815.0,15.3 52.6,63.0 45.6,1805.2 1.0,1807.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[723.0,774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.106585,41.844628]}},{"type":"Feature","properties":{"resourceCoords":[1288.0,1323.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.10517,41.843612]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.9,1890.0 37.3,1339.9 55.5,1339.9 51.6,789.8 48.8,789.8 44.8,184.1 32.4,184.2 43.3,89.7 53.0,95.8 257.7,22.2 1523.6,48.6 1612.0,333.7 1612.0,337.3 1593.4,1804.8 1612.0,1804.4 1612.0,1832.0 1418.5,1889.0 1418.5,1894.2 1140.2,1893.2 911.5,1892.3 270.8,1890.5 63.9,1890.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[866.0,1341.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.102457,41.843605]}},{"type":"Feature","properties":{"resourceCoords":[318.0,790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.10381,41.844623]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.0,458.9 78.3,174.4 129.4,108.9 229.6,104.1 229.7,154.0 1522.6,162.3 1522.0,1812.0 952.8,1808.8 650.0,1808.8 271.3,1798.7 20.9,1803.4 34.0,458.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[953.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.106577,41.840567]}},{"type":"Feature","properties":{"resourceCoords":[1522.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.105162,41.839548]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.6,146.5 443.2,148.2 679.5,149.7 1317.5,153.8 1540.2,155.5 1553.2,706.8 1548.9,706.7 1545.9,1254.7 1540.8,1254.7 1534.6,1801.7 1315.7,1801.0 182.6,1794.4 182.6,146.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[729.0,702.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.103808,41.841572]}},{"type":"Feature","properties":{"resourceCoords":[729.0,150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.10381,41.842594]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.4,1798.7 42.6,1247.5 47.8,1247.4 46.7,695.3 51.1,695.4 33.9,140.0 39.0,140.1 318.1,140.0 318.1,134.9 512.0,76.9 511.9,49.2 1352.0,30.0 1572.9,138.8 1610.3,263.4 1599.1,1796.1 883.6,1796.0 48.3,1798.7 40.4,1798.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[878.0,694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.09972,41.841559]}},{"type":"Feature","properties":{"resourceCoords":[878.0,140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.099712,41.842577]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"275.8,83.3 652.7,90.5 954.0,88.0 1520.4,86.7 1514.6,623.3 1519.8,1010.6 1528.8,1245.5 1530.3,1499.5 1530.2,1912.0 1441.5,1912.0 1365.5,1808.5 966.3,1819.3 577.5,1821.8 577.5,1879.4 77.1,1829.2 24.2,1502.9 26.7,90.0 275.8,83.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[396.0,1252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.107985,41.837395]}},{"type":"Feature","properties":{"resourceCoords":[954.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.106575,41.839552]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p8","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1305.2,83.2 1527.0,86.2 1543.1,657.5 1541.4,657.4 1527.5,1250.4 1529.8,1250.4 1527.2,1821.6 1508.4,1821.3 739.2,1810.4 695.2,1801.4 695.1,1841.3 150.3,1818.8 156.5,1483.2 159.5,1228.2 154.8,992.2 156.6,603.4 172.1,64.8 1305.2,83.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[707.0,646.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1038158,41.8384838]}},{"type":"Feature","properties":{"resourceCoords":[1252.0,1246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.102444,41.837385]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1911 | sanborn02796_004 p9","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:22:45Z","modified":"2026-10-19T17:22:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"769.4,1810.8 287.2,1812.5 77.6,1813.5 68.8,1242.1 66.5,1242.2 68.6,648.8 70.3,648.8 42.9,77.8 47.8,77.7 877.3,73.2 1587.7,71.7 1578.6,1859.4 770.0,1844.7 769.4,1810.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961911:02796_1911-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[338.0,1241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.101085,41.837381]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.098374,41.839528]}}]}}]}