{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01903_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Greenfield, Illinois | 1906 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"6"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 6"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.34360,-90.21397 +/-438m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1906 | sanborn01903_004 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.83"},{"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":"2414.0"},{"label":"split_canvas_h","value":"2796.0"}],"created":"2026-10-19T00:49:43Z","modified":"2026-10-19T00:49:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"393.4,698.0 452.6,698.0 555.2,458.0 555.5,362.0 557.1,288.1 332.7,26.4 41.8,11.9 18.9,75.5 32.6,660.4 395.0,690.9 393.4,698.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__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":[-90.21527216015193,39.344104520377996]}},{"type":"Feature","properties":{"resourceCoords":[603.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.21379384488596,39.344133322870015]}},{"type":"Feature","properties":{"resourceCoords":[603.5,699.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.21375073301083,39.342810563982596]}},{"type":"Feature","properties":{"resourceCoords":[0.0,699.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.2152290482768,39.34278176149058]}},{"type":"Feature","properties":{"resourceCoords":[555.5,362.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.213889,39.343446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1906 | sanborn01903_004 p1 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.52"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2796.0"},{"label":"split_canvas_w","value":"3586.8"},{"label":"split_canvas_h","value":"2106.0"}],"created":"2026-10-19T00:49:43Z","modified":"2026-10-19T00:49:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.9,1217.1 874.5,1217.3 852.7,841.4 780.3,801.0 761.6,801.2 761.5,801.1 761.4,801.1 754.2,786.5 631.5,718.2 125.5,742.6 34.9,1217.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[757.8,868.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.21591,39.344661]}},{"type":"Feature","properties":{"resourceCoords":[84.0,1201.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.216817,39.345971]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1906 | sanborn01903_004 p1 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.58"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3570.8"},{"label":"split_canvas_y","value":"3180.8"},{"label":"split_canvas_w","value":"2881.2"},{"label":"split_canvas_h","value":"1721.2"}],"created":"2026-10-19T00:49:43Z","modified":"2026-10-19T00:49:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1563.2,1204.5 1514.8,976.5 1570.1,831.5 920.3,817.7 920.4,1190.7 1563.2,1204.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[932.6,1057.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.219865,39.3434398]}},{"type":"Feature","properties":{"resourceCoords":[1550.0,1057.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.218307,39.3434397]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1906 | sanborn01903_004 p1 [5]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"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":"4902.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2750.0"}],"created":"2026-10-19T00:49:43Z","modified":"2026-10-19T00:49:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1529.5,1253.1 1212.6,1256.5 580.0,1256.2 258.0,1257.5 104.3,1255.2 107.2,1260.1 73.5,1850.5 1001.8,1897.8 1498.9,1844.4 1530.1,1403.5 1529.5,1253.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[892.0,1257.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.2123061,39.3422717]}},{"type":"Feature","properties":{"resourceCoords":[258.0,1257.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.213858,39.3422468]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1906 | sanborn01903_004 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:49:43Z","modified":"2026-10-19T00:49:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.8,1542.5 267.8,1297.4 267.7,1199.5 269.1,1124.0 39.0,858.0 79.0,52.0 1344.1,35.8 1386.8,80.3 1489.1,53.4 1558.8,228.7 1563.3,544.8 1577.5,545.1 1578.2,684.1 1573.5,1190.5 1567.6,1407.5 1563.6,1842.3 1240.4,1845.5 595.1,1844.7 266.7,1845.7 109.9,1843.2 56.8,1752.5 103.5,1542.7 163.8,1542.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[920.0,540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.212358,39.344696]}},{"type":"Feature","properties":{"resourceCoords":[272.0,540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.213913,39.34467]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1906 | sanborn01903_004 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:49:43Z","modified":"2026-10-19T00:49:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.9,19.7 1538.8,48.1 1587.9,203.1 1592.8,864.4 1522.9,1120.5 1585.5,1856.1 50.5,1870.2 48.9,1714.9 49.9,1275.4 54.5,1056.0 55.7,544.1 54.0,403.6 39.6,403.4 33.0,83.9 113.9,19.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031906:01903_1906-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[717.0,398.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.209206,39.3447412]}},{"type":"Feature","properties":{"resourceCoords":[717.0,1709.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.20916,39.342334]}}]}}]}