{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01956_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Knoxville, 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":"2"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef-snap 1, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.90803,-90.28335 +/-165m); p1__2 (tier 4, 40.90803,-90.28335 +/-165m); p1__3 (tier 1, 40.91393,-90.28384 +/-131m); p1__4 (tier 4, 40.90803,-90.28335 +/-165m); p1__5 (tier 4, 40.90803,-90.28335 +/-165m); p4__1 (tier 1, 40.90702,-90.29072 +/-100m); p4__2 (tier 1, 40.91048,-90.28142 +/-266m); p4__3 (tier 1, 40.90904,-90.27862 +/-102m); p4__4 (tier 1, 40.91184,-90.28105 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104km:g019561909:01956_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Knoxville, Illinois | 1909 | sanborn01956_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:34:10Z","modified":"2026-10-19T00:34:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104km:g019561909:01956_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104km:g019561909:01956_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,452.1 1612.0,462.4 1526.7,462.3 1531.2,1069.6 1532.0,1694.2 1532.2,1912.0 1507.3,1912.0 1487.0,1912.0 42.5,1836.7 26.0,383.1 80.5,85.9 405.4,31.6 1411.1,70.8 1572.0,228.1 1581.7,445.0 1612.0,444.4 1612.0,452.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104km:g019561909:01956_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[942.0,1074.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.28495788238796,40.9080130353062]}},{"type":"Feature","properties":{"resourceCoords":[1517.0,1074.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.28353885539273,40.90800084139557]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104km:g019561909:01956_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Knoxville, Illinois | 1909 | sanborn01956_004 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:34:10Z","modified":"2026-10-19T00:34:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104km:g019561909:01956_1909-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104km:g019561909:01956_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.8,241.1 96.6,109.5 380.6,42.0 709.2,90.9 1292.3,36.0 1541.0,143.7 1572.5,1595.0 1560.0,1815.0 1338.0,1814.2 708.0,1812.0 95.6,1813.5 96.0,1727.5 77.9,1727.5 53.8,241.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104km:g019561909:01956_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[708.0,150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.2794365,40.9079885]}},{"type":"Feature","properties":{"resourceCoords":[708.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.2835038,40.9080088]}}]}}]}