{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01875_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Freeburg, Illinois | 1910 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"13"},{"label":"placed","value":"6"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 5, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p4__1 (tier 1, 38.42319,-89.90935 +/-100m); p4__2 (tier 1, 38.43054,-89.90384 +/-100m); p4__3 (tier 1, 38.42781,-89.90247 +/-100m); p4__5 (tier 1, 38.42768,-89.90402 +/-110m); p4__6 (tier 1, 38.43078,-89.91567 +/-100m); p4__7 (tier 2, 38.42671,-89.90991 +/-109m); p4__8 (tier 1, 38.42794,-89.91748 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Freeburg, Illinois | 1910 | sanborn01875_003 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1325.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6326.8"}],"created":"2026-09-21T20:30:27Z","modified":"2026-09-21T20:30:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"554.0,1913.0 836.0,1913.0 1155.5,1913.0 1153.9,1811.9 1613.0,1827.1 1613.0,556.4 568.0,557.6 568.3,475.8 568.8,331.3 394.2,331.3 394.1,474.6 394.1,557.8 0.0,558.2 -0.0,1913.0 554.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[435.0,778.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.915932,38.429405]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.913719,38.427483]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Freeburg, Illinois | 1910 | sanborn01875_003 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"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":"2232.8"}],"created":"2026-09-21T20:30:27Z","modified":"2026-09-21T20:30:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,-0.0 -0.0,-0.0 -0.0,150.4 17.2,150.5 13.9,558.2 394.1,557.8 394.1,474.6 394.2,331.3 568.8,331.3 568.3,475.8 568.0,557.6 1613.0,556.4 1613.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[361.0,110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.91153,38.430359]}},{"type":"Feature","properties":{"resourceCoords":[361.0,335.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.91153,38.429527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Freeburg, Illinois | 1910 | sanborn01875_003 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"}],"created":"2026-09-21T20:30:27Z","modified":"2026-09-21T20:30:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,117.0 210.2,120.0 210.1,19.8 439.1,27.2 619.1,40.7 684.0,41.8 665.5,0.0 1399.7,0.0 1399.0,52.5 1522.7,54.9 1545.7,1913.0 -0.0,1913.0 -0.0,117.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[622.0,1096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.913269,38.425503]}},{"type":"Feature","properties":{"resourceCoords":[622.0,574.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.913277,38.426472]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Freeburg, Illinois | 1910 | sanborn01875_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:30:27Z","modified":"2026-09-21T20:30:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1374.5,1913.0 1373.7,1841.2 45.1,1880.7 -0.0,0.0 1588.0,22.2 1613.0,1913.0 1374.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.90672059888051,38.42652974938638]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.9067400719009,38.423537428469096]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.91123827682642,38.42355564910188]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.91121880380604,38.426547970019165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0004__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Freeburg, Illinois | 1910 | sanborn01875_003 p4 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3678.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1193.2"},{"label":"split_canvas_h","value":"3950.8"}],"created":"2026-09-21T20:30:27Z","modified":"2026-09-21T20:30:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0004__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"919.6,985.6 1216.8,987.7 1217.9,0.0 956.2,0.0 958.5,927.7 919.6,927.7 919.6,969.5 919.6,985.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0004__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[919.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.90688500494268,38.425315058932995]}},{"type":"Feature","properties":{"resourceCoords":[1217.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.90617196704878,38.425315058932995]}},{"type":"Feature","properties":{"resourceCoords":[1217.9,987.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.90617196704878,38.42347207808623]}},{"type":"Feature","properties":{"resourceCoords":[919.6,987.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.90688500494268,38.42347207808623]}},{"type":"Feature","properties":{"resourceCoords":[958.5,927.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.906792,38.423584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0004__9/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Freeburg, Illinois | 1910 | sanborn01875_003 p4 [9]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3906.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3745.6"}],"created":"2026-09-21T20:30:27Z","modified":"2026-09-21T20:30:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0004__9/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1795.6 1613.0,990.2 1216.8,987.7 919.6,985.6 598.9,983.2 300.3,981.1 300.3,976.6 64.0,979.3 0.0,979.2 0.0,979.5 -0.0,1293.1 122.2,1293.8 129.0,1816.0 1613.0,1795.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104fm:g018751910:01875_1910-0004__9/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[584.0,1290.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.910042,38.427444]}},{"type":"Feature","properties":{"resourceCoords":[129.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9111434,38.4264639]}}]}}]}