{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02695_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Iowa City, Iowa | 1883 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"9"},{"label":"placed","value":"5"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 41.66280,-91.54092 +/-133m); p1__2 (tier 4, 41.65850,-91.53291 +/-783m); p1__3 (tier 4, 41.65850,-91.53291 +/-783m); p4__1 (tier 4, 41.65850,-91.53291 +/-783m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1883 | sanborn02695_001 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:00:11Z","modified":"2026-10-18T17:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.2,1611.2 146.7,1287.0 170.1,1199.8 171.7,672.3 157.6,614.2 158.8,94.6 157.2,39.2 1447.0,70.1 1531.9,181.7 1549.3,693.4 1507.9,791.9 1549.3,1752.2 1479.9,1850.8 119.5,1817.8 77.3,1797.0 70.7,1610.6 147.2,1611.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1328.0,618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5331424,41.6578661]}},{"type":"Feature","properties":{"resourceCoords":[1328.0,1801.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5361889,41.6578812]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1883 | sanborn02695_001 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:00:11Z","modified":"2026-10-18T17:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1745.3 1.0,1820.8 319.7,1817.8 405.9,1840.2 926.1,1837.6 983.4,1823.3 1495.8,1820.5 1550.4,1818.5 1573.5,372.3 1504.4,371.6 1341.5,49.1 1265.2,49.7 1264.1,24.1 406.5,15.8 151.1,47.1 69.0,110.6 58.1,1742.9 1.0,1745.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[976.0,627.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5330864,41.6624516]}},{"type":"Feature","properties":{"resourceCoords":[401.0,627.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5345877,41.6624679]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1883 | sanborn02695_001 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3742.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2709.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T17:00:11Z","modified":"2026-10-18T17:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1579.7,162.4 1488.3,78.0 1095.0,85.3 996.7,162.8 1046.5,1041.6 1011.7,1597.0 1110.2,1857.1 1482.5,1842.8 1566.7,1624.8 1587.6,1364.6 1524.1,970.9 1601.1,619.4 1593.9,317.0 1579.7,162.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1274.3,761.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.53022642267203,41.6565762711432]}},{"type":"Feature","properties":{"resourceCoords":[1274.3,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.53022524436982,41.657856048165584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1883 | sanborn02695_001 p4 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.55"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1613.2"},{"label":"split_canvas_w","value":"3773.2"},{"label":"split_canvas_h","value":"2221.2"}],"created":"2026-10-18T17:00:11Z","modified":"2026-10-18T17:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.5,957.2 76.8,957.2 883.2,924.2 908.0,444.9 274.7,414.2 177.8,484.3 108.0,443.1 101.6,540.4 46.1,554.6 76.5,957.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[240.1,433.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.536252,41.6522506]}},{"type":"Feature","properties":{"resourceCoords":[836.3,433.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5347047,41.6522431]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Iowa City, Iowa | 1883 | sanborn02695_001 p4 [4]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.65"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3799.6"},{"label":"split_canvas_w","value":"3804.4"},{"label":"split_canvas_h","value":"3852.4"}],"created":"2026-10-18T17:00:11Z","modified":"2026-10-18T17:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"380.7,1912.0 450.7,1912.0 948.9,1905.9 919.2,964.8 6.0,965.6 1.0,1471.9 1.0,1574.2 79.3,1574.7 244.2,1912.0 380.7,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154im:g026951883:02695_1883-0004__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[871.1,988.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.530121,41.664667]}},{"type":"Feature","properties":{"resourceCoords":[284.0,988.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.531595,41.664668]}}]}}]}