{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01760_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cairo, Illinois | 1907 | 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":"60"},{"label":"placed","value":"33"},{"label":"unplaced","value":"27"},{"label":"fit sources","value":"georef 17, georef-snap 14, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"14 sheet(s) cut into 38 panels"},{"label":"unplaced pages","value":"p12__1 (tier 1, 36.99739,-89.17206 +/-158m); p12__2 (tier 1, 37.00481,-89.17373 +/-228m); p22__1 (tier 1, 37.01054,-89.18759 +/-230m); p23__1 (tier 1, 37.01232,-89.18292 +/-265m); p23__2 (tier 1, 37.01251,-89.18520 +/-100m); p25__2 (tier 1, 37.01441,-89.17736 +/-107m); p25__3 (tier 1, 37.01572,-89.17826 +/-100m); p27__1 (tier 1, 37.01543,-89.18470 +/-265m); p27__2 (tier 1, 36.99908,-89.17930 +/-100m); p2__2 (tier 1, 36.99703,-89.16962 +/-105m); p2__4 (tier 1, 36.99756,-89.17136 +/-104m); p30__2 (tier 1, 37.01529,-89.18858 +/-105m); p31__1 (tier 4, 37.00680,-89.17702 +/-1650m); p31__2 (tier 4, 37.00680,-89.17702 +/-1650m); p32 (tier 4, 37.00680,-89.17702 +/-1650m); p33__1 (tier 1, 37.01916,-89.18498 +/-201m); p33__2 (tier 1, 37.01829,-89.18645 +/-225m); p34__1 (tier 1, 37.01947,-89.18358 +/-186m); p34__2 (tier 3, 37.02046,-89.18307 +/-530m); p34__3 (tier 1, 37.02008,-89.18562 +/-100m); p34__4 (tier 1, 37.02023,-89.18536 +/-100m); p35__1 (tier 1, 37.02286,-89.18547 +/-131m); p35__2 (tier 1, 37.02301,-89.18562 +/-259m); p36__1 (tier 1, 37.01251,-89.18824 +/-185m); p36__2 (tier 1, 36.99938,-89.18439 +/-177m); p36__3 (tier 1, 36.99665,-89.18037 +/-100m); p36__4 (tier 1, 36.99751,-89.17994 +/-136m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.5,1021.1 146.8,0.0 1045.8,65.3 1065.7,0.0 921.1,1167.8 1189.9,1913.0 -0.0,1913.0 -0.0,1015.5 38.5,1021.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18324021247257,37.0045589409337]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18014290251874,37.00604762096156]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17794759264018,37.00309334266644]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18104490259401,37.00160466263858]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,1822.5 47.4,1822.8 54.2,958.9 -0.0,958.5 -0.0,0.0 1613.0,-0.0 1613.0,215.0 1539.2,214.7 1537.8,340.6 1575.4,349.0 1579.7,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.16950177504083,37.00631720222933]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.16692620703378,37.00419847049117]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17005068334083,37.001741878885085]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17262625134788,37.00386061062325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1539.4,1843.4 46.3,1837.2 41.1,136.1 -0.0,136.1 -0.0,0.0 1613.0,-0.0 1613.0,129.3 1559.7,129.9 1579.7,996.1 1534.5,996.4 1539.4,1843.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17576032872432,37.00511038156258]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17281663105966,37.003324434240454]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17545031171223,37.00051667451559]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17839400937689,37.002302621837714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.2,1797.2 -0.0,0.0 1510.3,-0.0 1510.0,929.4 1564.2,929.7 1557.1,1791.8 1509.8,1791.5 1509.8,1881.8 1613.0,1881.9 1613.0,1913.0 -0.0,1913.0 -0.0,1795.9 35.2,1797.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17196359088501,37.008269552587755]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.169381923305,37.00614703441331]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17251206481986,37.00368468902016]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17509373239987,37.00580720719461]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.3,883.8 1613.0,857.1 1613.0,1913.0 -0.0,1913.0 -0.0,1750.8 48.5,1750.9 54.3,883.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18117875275267,37.00553328488507]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.1796239918163,37.00279320273299]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18366475029623,37.00131025611977]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.1852195112326,37.00405033827185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"589.7,1808.0 36.5,1529.2 43.6,132.6 1484.0,93.3 1488.1,22.5 1531.5,-0.0 1524.3,93.2 1573.3,93.0 1584.8,1809.4 589.7,1808.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17858310854345,37.00673472077711]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17567365700837,37.004956297424236]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17829629766145,37.002181260947026]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18120574919652,37.0039596842999]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,263.0 -0.0,13.9 1512.6,6.2 1520.3,1409.5 1602.2,1659.2 1495.8,1698.6 1575.3,1913.0 935.0,1913.0 229.4,755.1 -0.0,263.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17995655131848,37.007598323053045]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.1764749930152,37.008846275455674]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17463458660043,37.00552565559685]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17811614490371,37.00427770319422]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.8,1885.6 52.4,1594.1 48.8,135.8 1613.0,142.3 1613.0,1310.2 150.8,1885.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17691993691014,37.00895830298273]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17356060688192,37.01017239280382]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17177010593876,37.006968410260576]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17512943596698,37.005754320439486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1506.5,1894.6 -0.0,1913.0 21.0,547.8 1001.6,-0.0 1546.8,-0.0 1587.6,865.6 1551.5,866.5 1553.5,1732.3 1505.1,1732.7 1506.5,1894.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18262075758533,37.008065567195125]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.1810944973991,37.00531025248134]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18515783894156,37.00385453310129]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18668409912779,37.00660984781508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p19 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3460.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4192.0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1900.2 369.2,1661.5 880.3,1913.0 1237.5,1232.4 1172.6,1197.1 1207.1,1142.2 674.8,866.5 0.0,865.0 -0.0,1900.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[234.0,1586.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1840634,37.0077961]}},{"type":"Feature","properties":{"resourceCoords":[621.0,867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1828677,37.0090725]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p19 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"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":"5410.0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0019__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.2,77.0 135.6,863.5 641.2,836.8 1604.2,1286.7 1521.5,-0.0 871.0,0.0 -0.0,0.0 -0.0,81.6 74.2,77.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[810.0,916.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1814885,37.0060243]}},{"type":"Feature","properties":{"resourceCoords":[72.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1814712,37.0082335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,27.6 1608.4,26.6 1613.0,1865.2 72.6,1871.2 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18197546444874,37.01074525257978]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17848946037888,37.011999236276225]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17664008293367,37.0086745135775]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18012608700353,37.00742052988106]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p21","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.7,1913.0 73.0,42.0 1613.0,0.0 1613.0,1913.0 72.7,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[73.0,788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1777628,37.0106809]}},{"type":"Feature","properties":{"resourceCoords":[73.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1784738,37.0119495]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0022__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p22 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3463.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2988.8"},{"label":"split_canvas_h","value":"5776.4"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0022__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1569.2,0.0 1571.4,95.5 1069.7,106.7 1071.6,463.3 865.8,465.5 871.1,1444.1 1613.0,1435.8 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0022__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1506.1,1089.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1841468,37.0106691]}},{"type":"Feature","properties":{"resourceCoords":[1506.1,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1852169,37.0125539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0022__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p22 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2710.0"},{"label":"split_canvas_y","value":"5743.2"},{"label":"split_canvas_w","value":"3742.0"},{"label":"split_canvas_h","value":"1908.8"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0022__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1530.2,1477.3 741.6,1460.0 741.2,1491.5 677.6,1490.0 679.1,1913.0 1613.0,1913.0 1613.0,1435.8 1531.2,1436.7 1530.2,1477.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0022__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[736.5,1846.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1870344,37.0118564]}},{"type":"Feature","properties":{"resourceCoords":[1550.0,1846.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1852169,37.0125539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1595.5,25.4 1613.0,1864.4 1.2,1874.4 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18379612038238,37.013966819303015]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.1802793285343,37.015213431311636]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17844074516549,37.011859486994034]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18195753701357,37.01061287498541]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0025__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p25 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"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":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0025__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.2,1876.0 73.5,1876.0 909.3,1871.2 909.5,1839.8 1156.7,1841.3 1157.1,1626.6 1158.8,986.5 1613.0,984.9 1613.0,0.0 76.3,18.0 67.2,1876.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[915.0,766.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1777472,37.0145235]}},{"type":"Feature","properties":{"resourceCoords":[75.0,1133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1792005,37.0132318]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 1532.8,-0.0 1534.0,51.1 1578.1,50.9 1613.0,1913.0 -0.0,1913.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18705147632313,37.01592744736735]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.1855164419289,37.0131748806856]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18957613892822,37.01171093978662]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.19111117332245,37.014463506468374]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1543.6,1913.0 -0.0,1913.0 -0.0,1729.5 92.9,1730.4 110.7,107.3 -0.0,110.1 -0.0,0.0 1549.8,-0.0 1548.7,100.6 1576.8,100.5 1543.6,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17983904103819,37.018636939482704]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17821005537235,37.01581565159745]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18237128045585,37.014262175181806]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.1840002661217,37.01708346306706]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0029__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p29 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3848.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3803.6"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0029__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,962.1 0.0,974.3 0.0,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0029__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[107.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1799608,37.0183562]}},{"type":"Feature","properties":{"resourceCoords":[1550.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1784652,37.0157973]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0029__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p29 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"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":"3897.2"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0029__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 0.0,0.0 0.0,974.3 1613.0,962.1 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0029__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18010828228002,37.021651545270146]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17812333607333,37.019081998406456]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,974.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18007023500738,37.01812676158232]}},{"type":"Feature","properties":{"resourceCoords":[0.0,974.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18205518121407,37.02069630844601]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,870.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1799608,37.0183562]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 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":"4704.4"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"524.4,85.0 558.9,142.1 -0.0,133.5 0.0,260.5 709.2,979.8 888.2,1175.1 889.1,1176.1 1613.0,1176.1 1613.0,848.9 1513.9,834.4 1523.1,79.2 524.4,85.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1519.0,460.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1639938,36.997728]}},{"type":"Feature","properties":{"resourceCoords":[524.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1660558,36.9966592]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p2 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3919.2"},{"label":"split_canvas_w","value":"3556.4"},{"label":"split_canvas_h","value":"3732.8"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"779.1,1061.7 708.6,1062.2 707.9,979.8 0.0,980.2 -0.0,1913.0 778.3,1913.0 779.1,1061.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[779.1,1823.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1698459,36.9972939]}},{"type":"Feature","properties":{"resourceCoords":[779.1,1061.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1712363,36.9981292]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.3,97.3 1350.0,88.0 1350.4,135.4 1613.0,138.2 1613.0,1913.0 -0.0,1913.0 -0.0,1218.9 364.4,1163.4 315.3,841.4 215.6,842.0 111.3,97.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[216.0,842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1633036,36.9973106]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1626777,36.9997874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0030__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p30 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"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":"4193.2"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0030__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1579.9,614.2 1613.0,615.0 1613.0,0.0 0.0,0.0 0.0,564.7 0.0,1042.3 553.8,1044.3 1573.7,1048.2 1579.9,614.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0030__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[810.0,354.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1862326,37.0181496]}},{"type":"Feature","properties":{"resourceCoords":[1578.0,614.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1842231,37.0183273]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0030__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p30 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2210.4"},{"label":"split_canvas_y","value":"4177.2"},{"label":"split_canvas_w","value":"4241.6"},{"label":"split_canvas_h","value":"3474.8"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0030__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"594.5,1807.5 1474.1,1844.0 1474.7,1783.7 1534.4,1785.5 1529.9,1913.0 1613.0,1913.0 1613.0,1048.3 553.8,1044.3 553.8,1069.2 641.5,1072.0 630.8,1418.2 611.0,1417.1 600.5,1675.5 553.0,1660.0 552.8,1755.6 596.8,1757.0 594.5,1807.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0030__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1474.1,1477.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.180693,37.0195135]}},{"type":"Feature","properties":{"resourceCoords":[1474.1,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1799608,37.0183562]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0035__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p35 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4837.6"},{"label":"split_canvas_w","value":"2126.0"},{"label":"split_canvas_h","value":"2814.4"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0035__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 530.7,1913.0 531.5,1209.4 0.0,1209.4 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0035__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1209.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18654988918927,36.99866160510934]}},{"type":"Feature","properties":{"resourceCoords":[531.5,1209.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18608666960665,36.99958252598857]}},{"type":"Feature","properties":{"resourceCoords":[531.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18456858438911,36.99908859149579]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.18503180397173,36.99816767061656]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.0,1104.8 1613.0,1069.7 1613.0,1913.0 147.5,1913.0 147.0,1816.3 59.0,1816.0 32.3,126.9 1536.0,116.0 1557.0,1104.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[59.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1698459,36.9972939]}},{"type":"Feature","properties":{"resourceCoords":[1536.0,116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1646975,36.998151]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.2,1606.0 83.8,1839.4 51.1,354.1 107.3,354.3 108.2,226.2 -0.0,225.5 -0.0,-0.0 1613.0,-0.0 1613.0,358.0 1565.3,358.9 1588.2,1606.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[812.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.164897,36.9999952]}},{"type":"Feature","properties":{"resourceCoords":[1191.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1642858,36.999496]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.8,1850.0 808.5,1843.5 808.4,1913.0 68.4,1913.0 66.8,129.6 1569.8,145.6 1561.8,1850.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17022655470902,37.001769749597976]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.16722986621686,37.00000209426873]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.16983645686904,36.99714366428468]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.1728331453612,36.998911319613924]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p7","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1600.0,1611.0 -0.0,1862.7 -0.0,1685.0 57.9,1684.8 37.4,133.1 -0.0,124.9 -0.0,0.0 1613.0,-0.0 1613.0,127.9 1556.9,128.1 1600.0,1611.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[436.0,1592.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1693432,37.0014022]}},{"type":"Feature","properties":{"resourceCoords":[1186.0,725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1666989,37.0015163]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p8","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1552.2,18.2 1532.0,1913.0 -0.0,1913.0 -0.0,-0.0 1552.2,18.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1532.0,1141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.174049,36.9998136]}},{"type":"Feature","properties":{"resourceCoords":[1532.0,1889.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.1726463,36.9989751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, Illinois | 1907 | sanborn01760_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:02:48Z","modified":"2026-09-22T15:02:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,990.1 45.0,990.1 30.2,128.9 83.2,128.6 72.3,-0.0 1462.0,-0.0 1440.4,128.8 1557.4,130.4 1571.9,1841.5 -0.0,1832.2 -0.0,990.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017601907:01760_1907-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17297125677632,37.00341726515715]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.16999721315283,37.001634788815984]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17262571539213,36.99879801987967]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.17559975901563,37.000580496220834]}}]}}]}