{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01904_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Greenup, Illinois | 1898 | 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":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 39.24902,-88.16380 +/-100m); p2__3 (tier 1, 39.24540,-88.16176 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019041898:01904_1898-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenup, Illinois | 1898 | sanborn01904_002 p1","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T18:42:08Z","modified":"2026-10-18T18:42:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019041898:01904_1898-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019041898:01904_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1460.5,401.8 1467.6,650.5 1469.7,954.5 1466.0,1171.4 1446.2,1284.0 1455.9,1523.3 1454.5,1807.3 1454.7,1813.0 1115.5,1876.1 66.2,1839.2 37.0,599.9 88.1,68.3 1459.2,49.7 1460.5,401.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019041898:01904_1898-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[982.0,656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.1656846,39.2469154]}},{"type":"Feature","properties":{"resourceCoords":[1460.0,166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.164994,39.2481051]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019041898:01904_1898-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenup, Illinois | 1898 | sanborn01904_002 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.92"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T18:42:08Z","modified":"2026-10-18T18:42:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019041898:01904_1898-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019041898:01904_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.8,54.0 119.3,413.8 126.0,668.0 127.4,978.7 123.1,1200.3 102.7,1315.3 112.0,1560.0 109.8,1850.1 168.4,1845.3 944.8,1830.5 1020.1,1261.2 1020.3,1243.9 1022.4,1243.9 1022.6,1242.4 1562.8,1240.9 1577.8,614.2 1508.7,110.8 1419.4,39.3 118.8,54.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019041898:01904_1898-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1394.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.161702,39.24806]}},{"type":"Feature","properties":{"resourceCoords":[126.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.164567,39.247243]}}]}}]}