{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04555_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Aurora, Missouri | 1914 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"28"},{"label":"placed","value":"13"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef-snap 6, georef 6, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 19 panels"},{"label":"unplaced pages","value":"p13__1 (tier 1, 36.97413,-93.71523 +/-100m); p13__10 (tier 3, 36.97451,-93.71456 +/-511m); p13__11 (tier 1, 36.97389,-93.71499 +/-100m); p13__2 (tier 1, 36.97366,-93.71538 +/-100m); p13__3 (tier 1, 36.97344,-93.71432 +/-100m); p13__4 (tier 1, 36.97441,-93.71511 +/-112m); p13__5 (tier 1, 36.97356,-93.71427 +/-100m); p13__6 (tier 1, 36.97379,-93.71503 +/-100m); p13__7 (tier 3, 36.97451,-93.71456 +/-511m); p13__8 (tier 1, 36.97364,-93.71502 +/-123m); p13__9 (tier 3, 36.97451,-93.71456 +/-511m); p1__1 (tier 3, 36.97155,-93.71997 +/-517m); p1__2 (tier 3, 36.97155,-93.71997 +/-517m); p1__3 (tier 1, 36.97504,-93.71760 +/-100m); p8__2 (tier 2, 36.97352,-93.72275 +/-160m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 40.5,0.0 1564.5,17.1 1551.0,1110.7 1603.5,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72492050445636,36.97106475694946]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72116133965038,36.97086606502163]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72145421483947,36.96727890944256]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72521337964545,36.96747760137039]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"134.9,1913.0 81.8,1111.7 93.9,0.0 1478.2,0.0 1508.7,618.4 1613.0,613.4 1613.0,1913.0 134.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72149436892737,36.970896324147176]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.71771623629662,36.97069412148482]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.71801428556755,36.96708885633323]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72179241819829,36.967291058995585]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p12","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1833.8 -0.0,0.0 1613.0,-0.0 1613.0,321.1 1549.2,320.6 1550.1,1321.8 1613.0,1322.3 1613.0,1728.2 1550.8,1725.3 1551.0,1829.6 -0.0,1833.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[366.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.715279,36.9717211]}},{"type":"Feature","properties":{"resourceCoords":[1550.0,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.71669,36.969522]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1850.8 -0.0,-0.0 1613.0,0.0 1613.0,1913.0 1545.5,1913.0 1545.8,1840.9 -0.0,1850.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1100.0,1324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7187222,36.9807193]}},{"type":"Feature","properties":{"resourceCoords":[196.0,761.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.720821,36.9817804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,64.0 1578.6,39.3 1580.8,113.0 1613.0,112.8 1613.0,1913.0 290.2,1913.0 296.4,1817.3 -0.0,1821.9 -0.0,64.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[177.0,1193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.720933,36.9776944]}},{"type":"Feature","properties":{"resourceCoords":[177.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7208892,36.9797491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1566.9,1851.6 46.3,1865.2 44.4,1278.4 -0.0,1278.8 -0.0,-0.0 1285.9,0.0 1325.2,605.1 1613.0,579.6 1613.0,1260.0 1574.5,1260.8 1566.9,1851.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72433739763926,36.977895823984994]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72057340825212,36.97764699592309]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72094021768648,36.97405555724746]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72470420707361,36.97430438530937]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1484.0,1716.0 149.6,1691.2 176.2,1092.6 215.3,1093.0 234.1,499.8 1540.2,456.1 1525.0,0.0 1613.0,0.0 1613.0,1657.2 1482.0,1655.0 1484.0,1716.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72118463524856,36.97732969997357]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.71746480177816,36.9771790632914]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.71768686112144,36.97362973317921]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72140669459183,36.97378036986138]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1586.2,1857.5 48.1,1852.2 20.0,62.5 1558.6,61.9 1568.3,660.0 1480.5,660.4 1484.4,1253.5 1570.2,1254.0 1586.2,1857.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72462256740144,36.97450584415728]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72089988069997,36.974285525282795]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72122464900606,36.97073333880012]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72494733570753,36.970953657674606]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.1,1240.4 -0.0,1239.3 -0.0,650.9 87.1,651.1 81.2,57.8 1402.3,60.4 1399.3,0.0 1613.0,0.0 1613.0,880.8 1443.5,888.9 1489.7,1814.6 96.7,1815.3 85.1,1240.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72121610599706,36.97429635990265]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.71746163413768,36.97409383150556]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.71776017695684,36.97051130547442]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72151464881622,36.97071383387151]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p8 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"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":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1534.4,1913.0 1515.0,932.0 952.0,932.0 960.2,661.3 1437.6,556.7 1515.2,915.0 1523.8,334.7 1479.0,334.3 1485.0,0.0 -0.0,-0.0 0.0,361.5 359.6,358.8 378.7,644.3 418.5,1236.6 0.0,1235.8 -0.0,1913.0 1534.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[952.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.72589,36.974453]}},{"type":"Feature","properties":{"resourceCoords":[1515.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.724587,36.974387]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0008__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p8 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2577.2"},{"label":"split_canvas_w","value":"1674.0"},{"label":"split_canvas_h","value":"2369.2"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0008__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"379.6,657.9 378.9,648.1 248.0,646.8 0.0,651.5 0.0,1135.0 261.7,1200.6 379.6,657.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0008__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,644.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72471094758137,36.97508922137773]}},{"type":"Feature","properties":{"resourceCoords":[418.5,644.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72456547913703,36.97432053353026]}},{"type":"Feature","properties":{"resourceCoords":[418.5,1236.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72591773437057,36.97415490258534]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1236.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.72606320281491,36.97492359043281]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p9 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3848.8"},{"label":"split_canvas_w","value":"2136.4"},{"label":"split_canvas_h","value":"3803.2"}],"created":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.1,1913.0 521.6,1913.0 534.1,965.7 46.0,962.5 55.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[49.0,1296.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7153367,36.969502]}},{"type":"Feature","properties":{"resourceCoords":[408.1,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.716715,36.968824]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Missouri | 1914 | sanborn04555_005 p9 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"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":"2026-09-23T01:52:22Z","modified":"2026-09-23T01:52:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1493.8,1913.0 1494.1,1870.1 1530.3,1867.9 1552.2,131.2 27.0,124.4 27.5,0.0 -0.0,-0.0 0.0,962.2 534.1,965.7 521.6,1913.0 1493.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164am:g4164am_g045551914:04555_1914-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1531.0,1538.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.724929,36.969961]}},{"type":"Feature","properties":{"resourceCoords":[970.0,334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.72607,36.97226]}}]}}]}