{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02261_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Aurora, Indiana | 1892 | 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":"17"},{"label":"placed","value":"6"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 4, snap:0 1, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 39.05843,-84.90180 +/-197m); p3__2 (tier 3, 39.05858,-84.90001 +/-341m); p5__1 (tier 1, 39.05642,-84.90394 +/-100m); p5__2 (tier 1, 39.05641,-84.90339 +/-100m); p5__3 (tier 1, 39.06146,-84.89807 +/-100m); p5__4 (tier 1, 39.05734,-84.90374 +/-100m); p5__5 (tier 1, 39.06178,-84.89818 +/-100m); p5__6 (tier 3, 39.05844,-84.90065 +/-686m); p5__7 (tier 1, 39.05317,-84.89973 +/-100m); p5__8 (tier 1, 39.06187,-84.89794 +/-100m); p6__1 (tier 2, 39.05565,-84.90202 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Indiana | 1892 | sanborn02261_002 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3458.0"},{"label":"split_canvas_w","value":"4432.0"},{"label":"split_canvas_h","value":"4194.0"}],"created":"2026-09-22T16:23:36Z","modified":"2026-09-22T16:23:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 1102.6,1913.0 1108.0,959.7 581.0,960.1 409.6,866.7 0.0,864.5 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,864.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.8988445825839,39.05317609236913]}},{"type":"Feature","properties":{"resourceCoords":[1108.0,864.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.89637666652794,39.052271938308806]}},{"type":"Feature","properties":{"resourceCoords":[1108.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.89748048295492,39.0504599832449]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.89994839901088,39.05136413730522]}},{"type":"Feature","properties":{"resourceCoords":[261.0,890.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.8982906,39.0529182]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Indiana | 1892 | sanborn02261_002 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"4410.4"},{"label":"split_canvas_y","value":"3837.6"},{"label":"split_canvas_w","value":"2041.6"},{"label":"split_canvas_h","value":"3814.4"}],"created":"2026-09-22T16:23:36Z","modified":"2026-09-22T16:23:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,959.4 1108.0,959.7 1102.6,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1102.6,959.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.89685630057123,39.0526310190085]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,959.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.896242889854,39.05171706122596]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.89842468893585,39.05082145379297]}},{"type":"Feature","properties":{"resourceCoords":[1102.6,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.89903809965307,39.05173541157552]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Indiana | 1892 | sanborn02261_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T16:23:36Z","modified":"2026-09-22T16:23:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,88.5 140.9,67.8 141.9,-0.0 179.8,-0.0 180.1,62.0 1613.0,53.1 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.89899196800438,39.05809407853539]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.90027133148936,39.05520035566635]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.9046600023373,39.05638688664937]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.90338063885231,39.05928060951841]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Indiana | 1892 | sanborn02261_002 p3 [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":"7652.0"}],"created":"2026-09-22T16:23:36Z","modified":"2026-09-22T16:23:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.6,1825.8 187.9,1913.0 1613.0,1913.0 1613.0,1652.0 1295.6,1643.9 1118.8,1099.6 907.5,0.0 131.8,0.0 138.2,1824.4 192.6,1825.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[730.0,831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.8985473,39.0559337]}},{"type":"Feature","properties":{"resourceCoords":[730.0,1837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.8993537,39.0541132]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Indiana | 1892 | sanborn02261_002 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T16:23:36Z","modified":"2026-09-22T16:23:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.9,70.7 452.1,54.6 450.6,-0.0 1613.0,-0.0 1613.0,1913.0 136.5,1908.0 46.9,70.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[891.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.9024402,39.0541388]}},{"type":"Feature","properties":{"resourceCoords":[91.0,1658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.9040468,39.0562883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aurora, Indiana | 1892 | sanborn02261_002 p6 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"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":"2026-09-22T16:23:36Z","modified":"2026-09-22T16:23:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1485.7 365.0,1489.1 365.0,1775.4 882.5,1767.5 906.7,1913.0 1613.0,1913.0 1613.0,650.0 1613.0,429.0 1613.0,0.0 -0.0,-0.0 0.0,1485.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094am:g4094am_g022611892:02261_1892-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[771.0,699.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.8985753,39.0600585]}},{"type":"Feature","properties":{"resourceCoords":[771.0,1088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.898891,39.0593889]}}]}}]}