{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01706_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Arcola, Illinois | 1907 | 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":"10"},{"label":"placed","value":"5"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 3, snap:0 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.68545,-88.30690 +/-242m); p1__3 (tier 4, 39.68545,-88.30690 +/-242m); p1__5 (tier 4, 39.68545,-88.30690 +/-242m); p1__6 (tier 1, 39.68302,-88.30729 +/-100m); p3__3 (tier 1, 39.68768,-88.31143 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arcola, Illinois | 1907 | sanborn01706_004 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"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":"2546.0"},{"label":"split_canvas_h","value":"3603.2"}],"created":"2026-10-18T20:06:55Z","modified":"2026-10-18T20:06:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.0,475.0 302.3,898.3 383.8,898.9 406.4,899.0 610.4,827.6 590.8,30.9 72.0,18.4 1.0,33.2 1.0,63.3 39.7,63.4 34.8,474.9 43.0,475.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0001__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":[-88.30489726094284,39.68634888496974]}},{"type":"Feature","properties":{"resourceCoords":[636.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.30338744254074,39.68621161688185]}},{"type":"Feature","properties":{"resourceCoords":[636.5,900.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.30363836039314,39.68455394684536]}},{"type":"Feature","properties":{"resourceCoords":[0.0,900.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.30514817879525,39.68469121493325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arcola, Illinois | 1907 | sanborn01706_004 p1 [4]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.64"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3176.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4475.6"}],"created":"2026-10-18T20:06:55Z","modified":"2026-10-18T20:06:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.0,1863.0 689.0,1861.7 1010.8,1866.5 1320.0,1863.0 1326.0,1456.0 1264.5,1455.6 1147.8,1454.7 961.0,1493.0 939.5,1453.0 933.9,1452.9 933.9,1452.8 933.9,1452.2 934.0,1442.7 905.9,1390.5 870.2,821.8 636.5,870.0 636.5,875.0 636.5,900.8 636.5,900.8 636.2,900.8 504.9,899.9 491.5,899.8 83.8,983.8 66.1,952.2 51.7,1863.0 80.0,1863.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1320.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.3049471,39.6854675]}},{"type":"Feature","properties":{"resourceCoords":[80.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.3079451,39.6857299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arcola, Illinois | 1907 | sanborn01706_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T20:06:55Z","modified":"2026-10-18T20:06:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.7,1650.7 62.1,1434.1 32.4,1435.8 43.9,1155.5 43.7,43.3 659.6,44.0 984.9,49.9 1297.7,47.2 1305.8,47.5 1560.7,472.8 1612.0,473.6 1612.0,474.5 1584.6,501.6 1553.2,1875.6 80.2,1877.2 24.6,1650.6 35.7,1650.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1294.0,746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.30514058647789,39.68418210873329]}},{"type":"Feature","properties":{"resourceCoords":[53.0,1445.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.30829347797285,39.68314807052944]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arcola, Illinois | 1907 | sanborn01706_004 p3 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.25"},{"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":"1710.8"},{"label":"split_canvas_h","value":"4300.0"}],"created":"2026-10-18T20:06:55Z","modified":"2026-10-18T20:06:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"367.9,1023.4 379.5,1023.5 401.4,135.2 348.7,39.2 290.2,87.7 191.4,20.4 71.9,25.8 70.5,753.7 52.0,753.0 52.0,795.9 367.9,1023.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[52.0,341.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.3086494,39.6871046]}},{"type":"Feature","properties":{"resourceCoords":[52.0,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.3088256,39.6858101]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arcola, Illinois | 1907 | sanborn01706_004 p3 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1172.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5280.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T20:06:55Z","modified":"2026-10-18T20:06:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1541.0,309.7 1500.4,309.9 1170.5,79.3 1169.9,35.0 573.0,20.8 467.1,113.8 447.7,1490.8 427.7,1513.8 427.7,1536.0 408.6,1535.8 376.9,1572.4 384.0,1878.7 926.5,1828.9 1523.5,1867.8 1534.8,1912.0 1542.3,1912.0 1545.9,1912.0 1570.5,1695.9 1540.9,1697.8 1550.0,1418.4 1541.0,309.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017061907:01706_1907-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1174.0,999.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.3090209,39.6845387]}},{"type":"Feature","properties":{"resourceCoords":[1174.0,1701.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.3092206,39.6832437]}}]}}]}