{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01719_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Augusta, Illinois | 1906 | 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":"5"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef-snap 3, georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Augusta, Illinois | 1906 | sanborn01719_003 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:03:06Z","modified":"2026-10-18T07:03:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.4,1785.2 95.0,1148.0 96.9,442.4 100.9,81.8 441.2,36.3 498.8,92.4 796.8,46.0 1500.8,65.5 1559.7,221.1 1538.3,775.9 1590.3,945.9 1559.0,1842.0 1160.5,1811.5 821.5,1852.2 792.0,1851.8 420.6,1853.9 292.9,1854.6 292.8,1862.9 267.5,1878.5 95.4,1862.2 80.2,1855.3 76.1,1785.1 95.4,1785.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[126.0,436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.94979169134173,40.231570652370785]}},{"type":"Feature","properties":{"resourceCoords":[126.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.94983591493434,40.22891790330741]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Augusta, Illinois | 1906 | sanborn01719_003 p2 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.89"},{"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":"2240.0"},{"label":"split_canvas_h","value":"1456.0"}],"created":"2026-10-18T07:03:06Z","modified":"2026-10-18T07:03:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.1,26.6 20.1,358.2 216.6,363.0 316.1,228.1 493.2,203.5 488.9,41.2 518.0,36.0 26.8,2.8 26.0,11.0 1.0,11.0 1.0,24.7 12.1,26.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__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":[-90.94948937973366,40.2288771119316]}},{"type":"Feature","properties":{"resourceCoords":[560.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.94808114214625,40.228941783075804]}},{"type":"Feature","properties":{"resourceCoords":[560.0,364.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.94802593583042,40.228244796482635]}},{"type":"Feature","properties":{"resourceCoords":[0.0,364.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.94943417341783,40.22818012533843]}},{"type":"Feature","properties":{"resourceCoords":[518.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.9481813,40.228868]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Augusta, Illinois | 1906 | sanborn01719_003 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2240.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2502.0"},{"label":"split_canvas_h","value":"1460.0"}],"created":"2026-10-18T07:03:06Z","modified":"2026-10-18T07:03:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1121.3,343.5 1100.0,55.6 944.6,10.3 841.3,83.3 650.5,24.9 560.0,51.8 560.0,250.4 580.4,301.0 910.2,313.7 967.2,362.0 1041.8,361.4 1067.4,361.3 1121.3,343.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[560.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.951289548009,40.233493222100115]}},{"type":"Feature","properties":{"resourceCoords":[1185.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.94971298560333,40.23346278992236]}},{"type":"Feature","properties":{"resourceCoords":[1185.5,365.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.94973628884973,40.23276284344325]}},{"type":"Feature","properties":{"resourceCoords":[560.0,365.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.95131285125541,40.232793275621]}},{"type":"Feature","properties":{"resourceCoords":[1149.5,325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.9498244,40.2328413]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Augusta, Illinois | 1906 | sanborn01719_003 p2 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2240.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4212.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T07:03:06Z","modified":"2026-10-18T07:03:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1566.8,1282.0 1563.8,584.3 1565.2,227.8 1494.8,237.7 1472.2,1.0 1391.7,1.0 1394.0,120.2 1268.4,164.8 1185.5,323.2 1185.5,360.4 1185.5,360.4 1153.2,385.0 836.6,370.2 648.1,437.2 596.7,1035.8 629.3,1618.5 731.5,1813.4 837.6,1846.4 871.8,1796.5 976.8,1773.4 1351.2,1864.4 1547.4,1832.4 1552.6,1912.0 1571.7,1912.0 1566.8,1282.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[880.0,1292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.9516180850291,40.23022719003033]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,1292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.94995663510184,40.23020210744127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Augusta, Illinois | 1906 | sanborn01719_003 p2 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"930.0"},{"label":"split_canvas_w","value":"2240.0"},{"label":"split_canvas_h","value":"6722.0"}],"created":"2026-10-18T07:03:06Z","modified":"2026-10-18T07:03:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.6,1811.7 409.4,1870.6 486.9,1855.2 512.2,1678.0 559.0,1661.6 559.0,1464.5 530.0,1472.8 551.5,631.3 503.7,307.0 329.1,437.1 103.0,440.8 65.2,724.2 108.4,1197.0 39.0,1275.9 74.5,1713.5 125.6,1811.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017191906:01719_1906-0002__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[510.0,1041.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.95155471227997,40.234170940514005]}},{"type":"Feature","properties":{"resourceCoords":[510.0,1728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.95158306255796,40.232860140021074]}}]}}]}