{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01791_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chillicothe, Illinois | 1913 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"13"},{"label":"placed","value":"8"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 7, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 40.91783,-89.48206 +/-100m); p2__3 (tier 1, 40.91487,-89.48627 +/-100m); p5__1 (tier 1, 40.91965,-89.48379 +/-100m); p5__3 (tier 2, 40.91897,-89.48600 +/-164m); p7__2 (tier 1, 40.92134,-89.49370 +/-101m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1913 | sanborn01791_004 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-22T17:03:04Z","modified":"2026-09-22T17:03:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[428.0,1708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4955627,40.9284825]}},{"type":"Feature","properties":{"resourceCoords":[1539.0,1708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4928118,40.9288006]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1913 | sanborn01791_004 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"2026-09-22T17:03:04Z","modified":"2026-09-22T17:03:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"471.9,1913.0 838.0,1913.0 1124.0,1913.0 1211.5,1913.0 1211.7,1553.3 1613.0,1551.6 1613.0,1000.4 1065.7,1001.3 1065.7,645.1 1613.0,641.1 1613.0,0.0 1434.4,0.0 1334.4,0.0 515.6,0.0 473.8,0.0 474.0,49.8 105.6,53.8 111.6,1826.3 471.9,1820.9 471.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[113.0,1228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4857999,40.916148]}},{"type":"Feature","properties":{"resourceCoords":[730.0,47.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4834336,40.9178768]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1913 | sanborn01791_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T17:03:04Z","modified":"2026-09-22T17:03:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,46.8 1579.5,49.2 1568.7,1845.4 368.7,1839.0 364.2,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.48850533571317,40.9192164918609]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.48478872003511,40.91829961178758]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.48621765940581,40.91494526784282]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.48993427508387,40.91586214791614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1913 | sanborn01791_004 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T17:03:04Z","modified":"2026-09-22T17:03:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,613.0 36.6,612.7 -0.0,539.6 -0.0,-0.0 1411.5,30.1 1414.8,1892.5 -0.0,1913.0 -0.0,613.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[624.0,618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.490813,40.91855]}},{"type":"Feature","properties":{"resourceCoords":[624.0,1823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4917199,40.9164339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1913 | sanborn01791_004 p5 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"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":"2026-09-22T17:03:04Z","modified":"2026-09-22T17:03:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.4,1826.5 1613.0,1823.2 1613.0,0.0 537.4,0.0 537.5,208.5 537.6,530.3 538.4,530.3 537.6,560.0 112.3,567.0 107.4,1826.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[66.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4871926,40.9199437]}},{"type":"Feature","properties":{"resourceCoords":[65.0,650.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4867411,40.9209818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1913 | sanborn01791_004 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T17:03:04Z","modified":"2026-09-22T17:03:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1854.3 -0.0,1266.4 191.4,1265.2 167.9,353.8 22.5,405.3 -0.0,361.9 -0.0,0.0 1613.0,0.0 1613.0,1851.2 -0.0,1854.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[985.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4890031,40.9192492]}},{"type":"Feature","properties":{"resourceCoords":[398.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4903651,40.9195919]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1913 | sanborn01791_004 p7 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"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":"2026-09-22T17:03:04Z","modified":"2026-09-22T17:03:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 873.0,1913.0 887.7,1913.0 941.4,1913.0 739.4,1450.3 1420.1,1443.8 1421.3,1397.3 1613.0,1401.0 1613.0,487.7 1466.0,535.5 1444.7,491.5 1454.0,129.0 1613.0,133.1 1613.0,0.0 -0.0,-0.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[946.0,705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4914527,40.9223317]}},{"type":"Feature","properties":{"resourceCoords":[1466.0,535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4901172,40.9223513]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1913 | sanborn01791_004 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T17:03:04Z","modified":"2026-09-22T17:03:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,136.2 51.2,136.0 55.0,62.0 1613.0,56.5 1613.0,1913.0 -0.0,1913.0 -0.0,136.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911913:01791_1913-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1248.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4862693,40.915089]}},{"type":"Feature","properties":{"resourceCoords":[55.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4890295,40.9157823]}}]}}]}