{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02786_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Osage, Iowa | 1888 | 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":"6"},{"label":"placed","value":"5"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 43.27924,-92.81418 +/-144m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osage, Iowa | 1888 | sanborn02786_002 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2476.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:39:22Z","modified":"2026-09-22T23:39:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"523.8,1913.0 527.6,765.6 615.0,765.2 619.1,0.0 -0.0,-0.0 -0.0,1913.0 523.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[207.0,1663.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8198598,43.2840291]}},{"type":"Feature","properties":{"resourceCoords":[207.0,452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8199264,43.286011]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osage, Iowa | 1888 | sanborn02786_002 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2095.2"},{"label":"split_canvas_y","value":"3041.6"},{"label":"split_canvas_w","value":"4356.8"},{"label":"split_canvas_h","value":"4610.4"}],"created":"2026-09-22T23:39:22Z","modified":"2026-09-22T23:39:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1554.0,1913.0 1542.7,760.8 615.0,765.2 527.6,765.6 523.8,1913.0 1554.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1554.0,1298.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8146549,43.2840531]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8146509,43.2830652]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osage, Iowa | 1888 | sanborn02786_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:39:22Z","modified":"2026-09-22T23:39:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.1,524.5 -0.0,523.8 -0.0,-0.0 1506.5,10.8 1499.4,1877.2 1613.0,1876.7 1613.0,1913.0 -0.0,1913.0 -0.0,1674.2 128.5,1674.8 123.1,524.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.81501223155388,43.28604375374866]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.81091642068922,43.28606870494676]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.81087605519072,43.28250762123505]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.81497186605537,43.28248267003695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osage, Iowa | 1888 | sanborn02786_002 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-22T23:39:22Z","modified":"2026-09-22T23:39:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.3,1913.0 167.3,34.6 -0.0,31.1 -0.0,-0.0 1613.0,0.0 1613.0,130.1 1524.3,129.1 1523.0,290.9 1521.0,555.9 1527.1,1101.0 1514.7,1913.0 151.3,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[843.0,1636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8094153,43.2831015]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8077338,43.2860788]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osage, Iowa | 1888 | sanborn02786_002 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"}],"created":"2026-09-22T23:39:22Z","modified":"2026-09-22T23:39:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"184.8,0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,1777.2 194.3,1775.1 196.2,1208.9 184.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861888:02786_1888-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[877.0,967.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8059575,43.2841103]}},{"type":"Feature","properties":{"resourceCoords":[198.0,967.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8076931,43.2841074]}}]}}]}