{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01836_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"East Dubuque, Illinois | 1908 | 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":"6"},{"label":"placed","value":"4"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 42.49643,-90.64223 +/-127m); p2__1 (tier 1, 42.48849,-90.64285 +/-210m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Dubuque, Illinois | 1908 | sanborn01836_001 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2973.6"},{"label":"split_canvas_h","value":"3076.0"}],"created":"2026-09-23T11:53:33Z","modified":"2026-09-23T11:53:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 0.0,730.9 323.1,737.3 567.7,766.3 738.0,769.0 743.4,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64350177518673,42.489422559824376]}},{"type":"Feature","properties":{"resourceCoords":[743.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.6421051134323,42.488535502364215]}},{"type":"Feature","properties":{"resourceCoords":[743.4,769.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64334794287565,42.4874676615598]}},{"type":"Feature","properties":{"resourceCoords":[0.0,769.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64474460463009,42.48835471901996]}},{"type":"Feature","properties":{"resourceCoords":[480.2,378.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6432104,42.4883246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Dubuque, Illinois | 1908 | sanborn01836_001 p1 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2923.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4728.4"}],"created":"2026-09-23T11:53:33Z","modified":"2026-09-23T11:53:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"784.0,1913.0 982.0,1913.0 1613.0,1913.0 1613.0,781.7 738.0,769.0 589.1,766.6 581.1,825.5 240.1,767.0 134.1,1913.0 784.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[190.0,1196.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6428272,42.4921805]}},{"type":"Feature","properties":{"resourceCoords":[1270.0,811.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6421629,42.4942126]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Dubuque, Illinois | 1908 | sanborn01836_001 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"2468.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3983.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:53:33Z","modified":"2026-09-23T11:53:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1268.8,1764.8 1613.0,1776.9 1613.0,0.0 1477.5,0.0 1371.5,0.0 617.2,-0.0 620.2,1583.3 1268.1,1570.7 1268.8,1764.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1020.1,1576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6444049,42.4925684]}},{"type":"Feature","properties":{"resourceCoords":[1265.1,962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.645157,42.493644]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Dubuque, Illinois | 1908 | sanborn01836_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:53:33Z","modified":"2026-09-23T11:53:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.6,1398.2 -0.0,1396.3 -0.0,-0.0 1432.2,37.4 1463.1,1358.2 1613.0,1340.7 1613.0,1913.0 121.7,1913.0 126.6,1398.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018361908:01836_1908-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64639526420568,42.49091718223695]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64379235827649,42.49322106254588]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64011282363256,42.49092868210358]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64271572956176,42.48862480179465]}}]}}]}