{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02750_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Monroe, Iowa | 1900 | 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":"5"},{"label":"placed","value":"4"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p2__3 (tier 1, 41.51884,-93.10337 +/-114m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monroe, Iowa | 1900 | sanborn02750_002 p1","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T18:56:24Z","modified":"2026-10-18T18:56:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.7,15.7 1540.8,488.3 1508.5,488.5 1532.6,951.5 1509.3,951.5 1545.5,1419.7 1569.4,1427.0 1528.2,1874.9 49.6,1872.3 58.6,173.4 264.3,37.8 1479.8,26.9 1484.3,15.7 1487.7,15.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[757.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1030546,41.5215392]}},{"type":"Feature","properties":{"resourceCoords":[1252.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1017999,41.5215363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monroe, Iowa | 1900 | sanborn02750_002 p2 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1788.0"},{"label":"split_canvas_h","value":"1185.2"}],"created":"2026-10-18T18:56:24Z","modified":"2026-10-18T18:56:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"275.6,7.4 23.6,14.7 16.5,274.8 347.7,245.8 426.9,187.9 434.0,79.6 333.2,79.6 275.6,7.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002__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":[-93.10356250942205,41.51912272443188]}},{"type":"Feature","properties":{"resourceCoords":[447.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.10244397625362,41.51912247114491]}},{"type":"Feature","properties":{"resourceCoords":[447.0,296.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.10244420077477,41.51856915561936]}},{"type":"Feature","properties":{"resourceCoords":[0.0,296.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.10356273394319,41.51856940890633]}},{"type":"Feature","properties":{"resourceCoords":[207.0,91.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1030446,41.5189525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monroe, Iowa | 1900 | sanborn02750_002 p2 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3296.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T18:56:24Z","modified":"2026-10-18T18:56:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"649.0,728.5 655.0,728.5 758.5,648.2 764.9,229.8 520.6,153.8 447.0,289.9 447.0,296.3 443.5,296.3 431.5,318.5 98.7,371.1 73.5,431.5 77.0,431.6 122.0,912.3 89.2,911.9 105.1,1382.4 81.5,1382.0 109.6,1857.9 176.9,1866.3 508.9,1871.4 575.0,1793.0 648.9,733.2 649.0,728.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[342.0,915.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1005151,41.5224159]}},{"type":"Feature","properties":{"resourceCoords":[342.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.100479,41.520644]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monroe, Iowa | 1900 | sanborn02750_002 p2 [4]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2596.0"},{"label":"split_canvas_y","value":"2914.0"},{"label":"split_canvas_w","value":"3856.0"},{"label":"split_canvas_h","value":"4738.0"}],"created":"2026-10-18T18:56:24Z","modified":"2026-10-18T18:56:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"681.3,1882.5 1592.7,1889.8 1569.8,745.4 673.5,760.6 681.3,1882.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027501900:02750_1900-0002__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[812.0,920.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1030642,41.5258776]}},{"type":"Feature","properties":{"resourceCoords":[812.0,1873.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1030647,41.5241709]}}]}}]}