{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01713_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Assumption, Illinois | 1909 | 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":"11"},{"label":"placed","value":"3"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 39.51757,-89.04555 +/-194m); p1__2 (tier 4, 39.51800,-89.04915 +/-197m); p1__3 (tier 4, 39.51800,-89.04915 +/-197m); p1__4 (tier 4, 39.51800,-89.04915 +/-197m); p1__5 (tier 1, 39.52014,-89.05617 +/-100m); p1__6 (tier 4, 39.51800,-89.04915 +/-197m); p3 (tier 1, 39.52004,-89.04766 +/-254m); p5__1 (tier 1, 39.51903,-89.05748 +/-109m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Assumption, Illinois | 1909 | sanborn01713_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.02"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:08:49Z","modified":"2026-10-19T17:08:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1249.2 796.4,1208.3 796.5,1147.1 475.1,1465.0 492.3,1465.1 116.2,1838.5 61.6,1267.7 108.0,35.2 1413.9,45.9 1534.2,110.2 1541.4,485.8 1599.0,483.9 1612.0,546.5 1612.0,597.5 1612.0,675.5 1453.6,871.7 1454.3,1116.8 1612.0,1116.8 1612.0,1249.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.04599370612137,39.51996232549111]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.04678383185475,39.517041298175776]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.0512432980218,39.51776926260129]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.05045317228841,39.52069028991662]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Assumption, Illinois | 1909 | sanborn01713_003 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:08:49Z","modified":"2026-10-19T17:08:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1166.3,712.9 1183.5,713.0 862.4,1027.7 862.6,967.0 110.8,929.5 110.5,709.9 102.6,709.9 94.5,212.0 161.6,49.6 1379.5,18.2 1516.7,71.2 1542.0,343.4 1166.3,712.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[61.0,1684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.047905,39.5172507]}},{"type":"Feature","properties":{"resourceCoords":[-139.0,694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.0503363,39.5172625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Assumption, Illinois | 1909 | sanborn01713_003 p5 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.88"},{"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":"2026-10-19T17:08:49Z","modified":"2026-10-19T17:08:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1529.5,1892.9 1523.5,1521.2 1466.0,1523.0 1453.3,1461.1 1453.6,1333.3 1612.0,1139.0 1612.0,1000.2 1612.0,896.5 1454.9,896.5 1455.2,765.4 1515.8,768.4 1515.4,548.7 1507.5,548.8 1499.3,50.8 1425.5,66.2 1281.2,14.7 464.8,14.3 73.6,96.0 58.3,1338.5 910.6,1368.5 911.1,1375.0 914.0,1375.0 914.0,1406.5 956.0,1871.2 1499.0,1876.6 1529.5,1892.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017131909:01713_1909-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[643.0,528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.050654,39.5161321]}},{"type":"Feature","properties":{"resourceCoords":[1466.0,1523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.047905,39.5172507]}}]}}]}