{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02796_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Perry, Iowa | 1918 | 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":"15"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 14, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 41.83446,-94.10610 +/-262m); p12__1 (tier 2, 41.83558,-94.10495 +/-163m); p14__1 (tier 2, 41.83963,-94.10649 +/-744m); p14__5 (tier 1, 41.83763,-94.09405 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.5,1838.7 124.7,114.9 1613.0,119.2 1613.0,1913.0 1604.2,1851.2 122.5,1838.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[671.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.102444,41.838483]}},{"type":"Feature","properties":{"resourceCoords":[671.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.102445,41.836327]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p11","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.1,1913.0 182.3,80.1 1061.1,81.2 1061.2,0.0 1613.0,0.0 1613.0,1913.0 181.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[335.0,1245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.099729,41.837376]}},{"type":"Feature","properties":{"resourceCoords":[1477.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.096885,41.838466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0012__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 | 1918 | sanborn02796_005 p12 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1835.2 1519.0,1834.0 1525.8,469.4 982.2,474.8 983.0,312.1 824.0,84.8 -0.0,78.9 0.0,1497.0 346.0,1488.6 346.5,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[976.0,1147.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.10515,41.834375]}},{"type":"Feature","properties":{"resourceCoords":[1519.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.103763,41.833112]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"103.0,1836.0 105.4,62.8 1613.0,94.8 1613.0,1913.0 199.4,1913.0 199.1,1836.8 103.0,1836.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[103.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1037997,41.8353143]}},{"type":"Feature","properties":{"resourceCoords":[103.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.103763,41.833112]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014__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 | 1918 | sanborn02796_005 p14 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2958.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3493.2"},{"label":"split_canvas_h","value":"4182.4"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"840.8,466.9 846.5,493.1 1180.5,1045.6 1262.7,1045.1 1525.1,1043.5 1547.0,95.2 849.7,72.5 840.8,466.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1130.4,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.104832,41.837393]}},{"type":"Feature","properties":{"resourceCoords":[1532.1,666.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.103811,41.8363447]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014__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 | 1918 | sanborn02796_005 p14 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3092.8"},{"label":"split_canvas_y","value":"4180.4"},{"label":"split_canvas_w","value":"1960.4"},{"label":"split_canvas_h","value":"1938.8"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1180.5,1045.6 773.2,1048.4 775.2,1529.8 1263.3,1525.5 1262.7,1045.1 1180.5,1045.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[773.2,1045.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.09456981004972,41.83857332512014]}},{"type":"Feature","properties":{"resourceCoords":[1263.3,1045.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.09335587772823,41.838569281260035]}},{"type":"Feature","properties":{"resourceCoords":[1263.3,1529.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.0933612328503,41.837671206400444]}},{"type":"Feature","properties":{"resourceCoords":[773.2,1529.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.09457516517179,41.837675250260546]}},{"type":"Feature","properties":{"resourceCoords":[818.2,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.094459,41.83846]}},{"type":"Feature","properties":{"resourceCoords":[818.2,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.094168,41.838459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014__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 | 1918 | sanborn02796_005 p14 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"5050.8"},{"label":"split_canvas_y","value":"4172.0"},{"label":"split_canvas_w","value":"1401.2"},{"label":"split_canvas_h","value":"3480.0"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1043.0 1262.7,1045.1 1263.3,1525.5 1263.8,1913.0 1613.0,1913.0 1613.0,1043.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0014__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1570.1,1696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.089588,41.837337]}},{"type":"Feature","properties":{"resourceCoords":[1570.1,1112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.089585,41.838437]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,1812.2 11.1,1837.7 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[151.0,362.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.108002,41.848387]}},{"type":"Feature","properties":{"resourceCoords":[151.0,1837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.107997,41.845692]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.9,1630.3 -0.0,1630.6 -0.0,122.2 1586.7,84.6 1586.0,0.0 1613.0,0.0 1613.0,1789.5 149.0,1792.0 147.9,1630.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[149.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.107998,41.842609]}},{"type":"Feature","properties":{"resourceCoords":[1279.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.105173,41.845742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.1,1881.4 109.6,118.7 83.0,118.6 82.3,0.0 1613.0,0.0 1613.0,1883.6 105.1,1881.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[325.0,798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.10381,41.844623]}},{"type":"Feature","properties":{"resourceCoords":[1406.0,798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.101093,41.844615]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"967.3,1251.9 970.6,1796.0 -0.0,1798.5 -0.0,-0.0 394.0,0.0 394.7,159.9 1525.0,160.0 1531.7,1252.0 967.3,1251.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[401.0,1254.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.107995,41.840568]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.105168,41.842599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"257.5,1833.6 247.1,128.8 1365.6,128.2 1371.6,1833.9 257.5,1833.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.10718771556459,41.84080864889582]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.10319146617223,41.840793998939446]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.10321462381388,41.83723804775244]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.10721087320624,41.83725269770882]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1799.1 735.6,1789.8 738.8,1242.7 193.4,1236.5 199.8,138.3 1613.0,156.0 1613.0,1799.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[742.0,696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.103808,41.841572]}},{"type":"Feature","properties":{"resourceCoords":[1281.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.102446,41.839539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p8","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1778.0 116.9,1779.2 96.3,127.8 526.6,128.1 526.4,0.0 1613.0,0.0 1613.0,1778.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[878.0,1230.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.099727,41.840544]}},{"type":"Feature","properties":{"resourceCoords":[878.0,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.09972,41.841559]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perry, Iowa | 1918 | sanborn02796_005 p9","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T08:45:58Z","modified":"2026-09-22T08:45:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"766.2,1913.0 -0.0,1913.0 -0.0,28.1 1195.6,30.9 1192.0,1187.0 1613.0,1190.4 1613.0,1785.8 1588.3,1751.4 764.2,1756.0 766.2,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154pm:g027961918:02796_1918-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1190.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.106571,41.836334]}},{"type":"Feature","properties":{"resourceCoords":[86.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.10935,41.839547]}}]}}]}