{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02607_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Clear Lake, Iowa | 1916 | 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":"8"},{"label":"placed","value":"3"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 43.11062,-93.30577 +/-16932m); p3__1 (tier 2, 43.14652,-93.29435 +/-7194m); p7 (tier 4, 43.11062,-93.30577 +/-16932m)"},{"label":"withheld","value":"p2 (14.3 km from the catalogue location), p4 (23.0 km from the catalogue location)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clear Lake, Iowa | 1916 | sanborn02607_004 p3 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"5081.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1370.4"},{"label":"split_canvas_h","value":"2124.0"}],"created":"2026-09-23T08:40:53Z","modified":"2026-09-23T08:40:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1270.4,0.0 1272.5,295.0 1613.0,531.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1270.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.37407430713587,43.13946402032115]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.37328859992095,43.13967546925684]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,531.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.3728401506349,43.13878759040903]}},{"type":"Feature","properties":{"resourceCoords":[1270.4,531.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.37362585784982,43.138576141473344]}},{"type":"Feature","properties":{"resourceCoords":[1654.0,262.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3729733,43.1392634]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clear Lake, Iowa | 1916 | sanborn02607_004 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-23T08:40:53Z","modified":"2026-09-23T08:40:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1102.0,1093.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.380008,43.1371409]}},{"type":"Feature","properties":{"resourceCoords":[86.0,1093.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3820577,43.1359473]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clear Lake, Iowa | 1916 | sanborn02607_004 p6","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-23T08:40:53Z","modified":"2026-09-23T08:40:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1613.0,0.0 1613.0,1913.0 581.5,1913.0 -0.0,1100.7 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026071916:02607_1916-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3805706,43.139183]}},{"type":"Feature","properties":{"resourceCoords":[324.0,1630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.379782,43.1383605]}}]}}]}