{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01802_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Collinsville, Illinois | 1898 | 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":"19"},{"label":"placed","value":"4"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 38.67051,-89.98604 +/-308m); p1__10 (tier 4, 38.67051,-89.98604 +/-308m); p1__2 (tier 1, 38.88860,-89.74917 +/-143m); p1__3 (tier 4, 38.67051,-89.98604 +/-308m); p1__4 (tier 1, 38.66879,-89.99346 +/-100m); p1__5 (tier 4, 38.67051,-89.98604 +/-308m); p1__7 (tier 4, 38.67051,-89.98604 +/-308m); p1__8 (tier 4, 38.67051,-89.98604 +/-308m); p1__9 (tier 4, 38.67051,-89.98604 +/-308m); p4__1 (tier 1, 38.67115,-89.98201 +/-130m); p4__2 (tier 1, 38.66957,-89.98193 +/-130m); p4__3 (tier 1, 38.66836,-89.99107 +/-120m); p4__4 (tier 1, 38.67074,-89.98086 +/-100m); p4__5 (tier 1, 38.66998,-89.99064 +/-100m); p4__6 (tier 1, 38.66910,-89.98098 +/-119m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0001__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Illinois | 1898 | sanborn01802_002 p1 [6]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.74"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4258.0"},{"label":"split_canvas_w","value":"1894.4"},{"label":"split_canvas_h","value":"3394.0"}],"created":"2026-10-19T00:55:29Z","modified":"2026-10-19T00:55:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0001__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.9,1912.0 133.8,1912.0 150.3,1912.0 471.9,1716.1 459.4,1675.0 433.4,1086.5 45.8,1096.1 23.8,1704.6 9.3,1712.6 114.3,1903.7 118.9,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0001__6/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1064.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.98544052968768,38.67311175954446]}},{"type":"Feature","properties":{"resourceCoords":[473.6,1064.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.98430366715984,38.673007573353935]}},{"type":"Feature","properties":{"resourceCoords":[473.6,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.98454316366501,38.671420936172346]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.98568002619285,38.67152512236287]}},{"type":"Feature","properties":{"resourceCoords":[380.7,1805.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9847358,38.6716429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Illinois | 1898 | sanborn01802_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:55:29Z","modified":"2026-10-19T00:55:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1156.7,1806.0 505.1,1806.3 409.8,1804.5 316.4,1806.2 287.4,1805.9 287.4,1840.4 47.5,1814.5 62.5,75.8 280.7,77.3 325.1,77.7 325.1,73.7 896.1,63.9 896.2,42.8 1080.0,67.5 1190.7,74.3 1478.9,74.8 1579.2,91.8 1487.0,348.2 1498.7,973.9 1574.0,1222.4 1559.2,1837.1 1156.6,1841.6 1156.7,1806.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[903.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.98610682879628,38.67002077679712]}},{"type":"Feature","properties":{"resourceCoords":[326.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.98664049151012,38.67102374267729]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Illinois | 1898 | sanborn01802_002 p3 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.93"},{"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":"2026-10-19T00:55:29Z","modified":"2026-10-19T00:55:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.8,1355.0 123.2,1362.5 53.4,1785.1 113.2,1865.0 722.2,1881.2 795.9,1467.9 1552.0,1468.3 1610.2,1422.8 1526.9,919.8 1592.2,323.7 1555.3,97.6 1464.5,35.8 554.5,26.8 531.1,68.6 153.3,79.5 125.8,63.9 125.8,64.4 125.4,98.7 129.4,98.8 135.3,670.9 156.5,671.1 130.4,855.0 122.8,965.9 120.4,1254.6 102.8,1355.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[699.0,678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.983548,38.670858]}},{"type":"Feature","properties":{"resourceCoords":[699.0,105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9840856,38.6718494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Illinois | 1898 | sanborn01802_002 p3 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.44"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3210.0"},{"label":"split_canvas_y","value":"5876.0"},{"label":"split_canvas_w","value":"3242.0"},{"label":"split_canvas_h","value":"1776.0"}],"created":"2026-10-19T00:55:29Z","modified":"2026-10-19T00:55:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"802.5,1515.8 814.2,1549.2 851.9,1911.8 1560.9,1909.5 1580.3,1548.8 1612.0,1548.4 1612.0,1515.2 1005.2,1516.0 802.5,1515.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g018021898:01802_1898-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[829.5,1516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.989219,38.670207]}},{"type":"Feature","properties":{"resourceCoords":[1366.2,1516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.988687,38.669205]}}]}}]}