{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01737_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bloomington, Illinois | 1892 | 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":"34"},{"label":"placed","value":"23"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 15, georef-snap 7, snap:1 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 23 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 40.48786,-88.99807 +/-279m); p12__3 (tier 4, 40.48420,-88.97564 +/-23667m); p13__2 (tier 4, 40.48420,-88.97564 +/-23667m); p13__3 (tier 4, 40.48420,-88.97564 +/-23667m); p16__1 (tier 4, 40.48420,-88.97564 +/-23667m); p16__2 (tier 4, 40.48420,-88.97564 +/-23667m); p16__4 (tier 4, 40.48420,-88.97564 +/-23667m); p17__2 (tier 4, 40.48420,-88.97564 +/-23667m); p17__3 (tier 4, 40.48420,-88.97564 +/-23667m); p17__4 (tier 4, 40.48420,-88.97564 +/-23667m); p8__4 (tier 4, 40.48420,-88.97564 +/-23667m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p10","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"484.4,77.2 867.3,77.5 867.5,110.8 1586.8,125.7 1584.7,292.1 1583.8,525.5 1577.5,979.8 1573.3,1444.5 1567.4,1891.7 855.8,1888.0 857.3,1879.3 473.4,1895.6 473.5,1875.8 98.8,1849.2 83.1,1435.5 90.7,1435.5 90.2,976.0 95.2,802.5 90.2,523.1 88.1,78.6 484.4,77.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[873.0,1440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.9926234,40.4787237]}},{"type":"Feature","properties":{"resourceCoords":[873.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.992658,40.4796021]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.0,240.6 50.5,476.8 45.2,936.4 41.9,1406.6 36.9,1859.0 385.6,1864.6 385.6,1882.5 1536.2,1879.4 1545.3,1912.0 1571.8,1912.0 1588.0,1912.0 1594.8,1408.8 1592.0,1054.6 1596.7,700.1 1596.8,478.3 1597.6,415.5 1551.8,31.1 437.4,7.2 437.4,1.0 405.8,1.0 405.8,42.5 53.1,41.6 51.0,240.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[996.0,1853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.98849363185484,40.47796770183998]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.98710904467015,40.479706733832295]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p12 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.75"},{"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":"1606.4"},{"label":"split_canvas_h","value":"2052.0"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.4,17.9 39.3,479.1 343.9,480.2 369.8,41.2 85.9,62.0 30.4,17.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.98491392133147,40.47689968289983]}},{"type":"Feature","properties":{"resourceCoords":[401.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.98390857957587,40.47692017932756]}},{"type":"Feature","properties":{"resourceCoords":[401.6,513.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.98387419084322,40.47594438486379]}},{"type":"Feature","properties":{"resourceCoords":[0.0,513.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.98487953259882,40.47592388843606]}},{"type":"Feature","properties":{"resourceCoords":[167.8,304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.9844734,40.47633]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p12 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.96"},{"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":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.8,1813.2 285.0,1813.8 640.1,1819.0 995.0,1817.0 1499.2,1824.7 1499.1,1867.5 1560.9,1850.5 1577.7,1771.7 1577.5,322.9 1525.3,141.1 1612.0,142.6 1612.0,85.0 1464.3,87.7 1001.1,86.3 1000.5,153.9 1005.9,154.5 980.5,766.4 975.6,766.6 975.6,769.0 881.0,769.0 71.6,789.9 55.8,1805.7 62.8,1813.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[995.0,808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.9845654,40.4788882]}},{"type":"Feature","properties":{"resourceCoords":[995.0,1817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.987048,40.478832]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p12 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2052.0"},{"label":"split_canvas_w","value":"1614.8"},{"label":"split_canvas_h","value":"1024.0"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"391.1,743.4 382.1,537.6 21.0,521.5 14.9,762.3 391.1,743.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0012__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,513.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.9980802939784,40.49229721590901]}},{"type":"Feature","properties":{"resourceCoords":[403.7,513.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.9970699116108,40.49231667885632]}},{"type":"Feature","properties":{"resourceCoords":[403.7,769.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.99705369672515,40.49182971393722]}},{"type":"Feature","properties":{"resourceCoords":[0.0,769.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.99806407909276,40.491810250989914]}},{"type":"Feature","properties":{"resourceCoords":[48.0,549.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.997958,40.492232]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p13 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"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":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1275.7,1577.2 1275.5,1564.6 1277.5,1564.6 1278.0,1561.2 1529.5,1551.1 1609.5,1495.0 1579.3,740.5 1473.6,623.8 1340.6,617.9 1216.9,618.6 1216.9,618.5 1160.7,29.6 83.5,32.7 39.8,507.6 107.2,507.4 111.6,968.9 116.1,1116.1 58.8,1116.8 56.5,1604.8 115.0,1864.9 133.6,1870.1 878.9,1805.6 1143.8,1846.1 1245.5,1783.2 1275.7,1577.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[101.0,501.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.98280482296194,40.478928743257654]}},{"type":"Feature","properties":{"resourceCoords":[1216.0,1523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.98000778710514,40.47704475481134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.9,877.7 123.4,719.9 172.3,577.4 170.8,474.8 92.8,473.6 97.2,58.7 490.1,45.9 488.4,54.6 1216.3,65.5 1568.8,75.3 1568.6,93.4 1539.0,93.1 1507.4,339.2 1560.1,479.6 1598.2,1354.2 1554.9,1861.9 1026.4,1826.3 784.3,1875.0 408.2,1816.4 377.1,1866.1 181.8,1836.5 102.1,1864.0 105.9,877.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[737.0,59.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.9920265,40.4778831]}},{"type":"Feature","properties":{"resourceCoords":[1555.0,1837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.989861,40.474647]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p15","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.9,154.4 52.9,83.1 881.2,87.9 1179.7,85.4 1179.5,68.1 1548.5,103.5 1537.8,523.2 1612.0,525.4 1612.0,626.7 1612.0,627.2 1563.8,761.2 1544.6,913.1 1526.7,1864.4 1475.3,1881.2 49.7,1873.5 33.2,155.4 51.9,154.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[787.0,893.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.995401,40.4762781]}},{"type":"Feature","properties":{"resourceCoords":[53.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.997367,40.477772]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p16 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"5296.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1156.0"},{"label":"split_canvas_h","value":"4120.0"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1372.6,1010.4 1495.0,1021.9 1570.0,945.0 1558.0,142.0 1555.7,77.9 1382.9,100.5 1336.0,199.9 1372.6,1010.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1556.0,722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.998635,40.482274]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.998685,40.483357]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p16 [5]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3187.6"},{"label":"split_canvas_y","value":"4120.0"},{"label":"split_canvas_w","value":"3264.4"},{"label":"split_canvas_h","value":"3532.0"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1581.3,1886.3 1588.3,1044.7 1320.0,1035.4 816.4,1285.8 818.4,1887.0 1581.3,1886.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1053.6,1390.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.990056,40.490189]}},{"type":"Feature","properties":{"resourceCoords":[1555.1,1390.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.988797,40.490197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p16 [6]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1820.0"},{"label":"split_canvas_y","value":"5150.0"},{"label":"split_canvas_w","value":"1383.2"},{"label":"split_canvas_h","value":"2502.0"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"498.3,1687.2 560.1,1892.8 765.6,1887.7 776.0,1548.5 698.3,1519.4 756.0,1413.9 556.6,1518.1 498.3,1687.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0016__6/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[455.0,1287.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.767178619358,40.35075552753929]}},{"type":"Feature","properties":{"resourceCoords":[800.8,1287.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.76717029219463,40.35009718343717]}},{"type":"Feature","properties":{"resourceCoords":[800.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.76873631422276,40.35008572438659]}},{"type":"Feature","properties":{"resourceCoords":[455.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.76874464138614,40.35074406848871]}},{"type":"Feature","properties":{"resourceCoords":[499.0,1495.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.7676979,40.350668]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p17 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"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":"6344.0"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1555.1,1104.7 1591.0,1034.9 1576.6,424.0 1495.6,128.2 1209.0,19.8 106.5,49.8 40.0,357.9 81.2,442.6 46.8,1017.9 137.2,1096.1 419.7,1109.5 520.5,1109.5 520.5,1114.3 523.0,1114.4 539.7,1514.7 588.2,1571.4 1220.1,1564.3 1268.0,1105.8 1268.0,1105.5 1268.0,1105.5 1555.1,1104.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[103.0,223.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.9824904911821,40.51133407290211]}},{"type":"Feature","properties":{"resourceCoords":[1595.0,1545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.98579041995845,40.50843908274649]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.4,1237.9 80.7,1238.0 47.4,853.2 31.9,853.2 72.1,30.4 1409.0,26.7 1565.2,73.3 1583.4,209.6 1581.2,1789.6 1612.0,1789.6 1612.0,1810.3 1234.3,1806.2 660.5,1807.7 61.5,1811.1 65.4,1237.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[643.0,650.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.9939891582455,40.48673153264118]}},{"type":"Feature","properties":{"resourceCoords":[643.0,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.99392046590657,40.48455415961361]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.1,842.6 76.2,648.7 76.5,384.1 104.0,317.9 105.8,248.0 81.0,191.1 62.2,74.4 634.1,75.8 1010.5,81.7 1010.6,61.1 1564.2,63.6 1571.4,1774.2 1540.2,1774.2 1540.1,1816.2 1190.7,1815.0 1190.4,1845.3 469.4,1831.1 469.2,1797.8 85.5,1797.8 83.1,842.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[639.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.99244153520208,40.48458412100854]}},{"type":"Feature","properties":{"resourceCoords":[1187.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.99101330348275,40.48292581869904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"971.0,83.7 971.0,84.7 1569.2,87.3 1587.5,204.3 1612.0,261.5 1612.0,300.1 1612.0,323.1 1609.9,331.6 1582.0,397.8 1580.4,662.8 1586.3,857.2 1583.9,1814.3 1185.9,1814.0 801.3,1810.4 39.2,1806.7 39.2,1766.7 46.0,1766.5 60.8,74.3 971.0,83.1 971.0,83.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1555.0,651.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.99386452565514,40.48348235244513]}},{"type":"Feature","properties":{"resourceCoords":[63.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.99761826360229,40.48447434507764]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p5 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3830.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3821.6"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"191.3,978.5 195.0,1299.4 197.9,1876.6 515.5,1877.1 1534.0,1874.3 1533.8,1831.1 1530.9,963.2 1320.1,1027.4 1006.6,990.8 697.8,1047.2 233.8,1028.1 191.3,978.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[957.0,1299.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.00021,40.485509]}},{"type":"Feature","properties":{"resourceCoords":[195.0,1299.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.002101,40.485472]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p5 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"3830.4"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.8,956.6 1481.8,956.6 1485.7,384.9 1501.0,384.9 1467.6,1.0 1452.1,1.0 1450.1,41.2 184.2,25.2 114.1,46.8 118.5,915.8 118.8,956.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1309.0,383.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.995825,40.48559]}},{"type":"Feature","properties":{"resourceCoords":[115.0,383.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.998785,40.485536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p6","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1530.0,623.8 1534.4,1063.8 1510.5,1870.5 1449.7,1877.4 1448.9,1856.3 475.1,1885.1 42.0,1834.2 31.3,321.6 57.4,77.2 80.2,57.4 394.9,52.2 960.7,46.6 961.8,18.9 1486.7,29.7 1584.0,624.5 1530.0,623.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[964.0,565.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.00337,40.484355]}},{"type":"Feature","properties":{"resourceCoords":[402.0,1637.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.006115,40.485395]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1587.0,997.4 1598.0,459.6 1537.2,76.8 1480.9,40.9 163.8,52.0 154.8,1.0 100.0,1.0 110.2,445.8 96.7,1261.2 35.2,1269.0 64.8,1863.8 1530.7,1839.8 1533.7,1912.0 1556.7,1912.0 1531.7,1308.8 1525.5,1253.7 1587.0,997.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[669.0,513.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.00476328090464,40.48217064734125]}},{"type":"Feature","properties":{"resourceCoords":[102.0,1247.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.00661276492531,40.48324008397251]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p8 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.60"},{"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":"3849.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.7,973.2 102.0,1807.0 871.2,1829.1 961.3,1386.8 961.3,1377.5 909.6,63.5 177.0,42.8 177.8,27.9 106.0,291.1 110.7,348.3 110.7,349.1 117.5,974.0 93.7,973.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[287.1,295.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.0065947,40.4801947]}},{"type":"Feature","properties":{"resourceCoords":[754.2,730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.0076036,40.4793048]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p8 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.37"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3848.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2603.2"},{"label":"split_canvas_h","value":"2710.0"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"988.1,57.6 987.6,658.1 1501.6,658.6 1521.3,445.5 1586.4,381.0 1586.6,96.9 1547.6,122.7 1424.0,19.3 988.1,57.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[962.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.78974695507206,40.643236577730534]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.78796842267609,40.64323773576349]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,677.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.78796684435129,40.64182232096004]}},{"type":"Feature","properties":{"resourceCoords":[962.2,677.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.78974537674728,40.64182116292708]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p8 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3848.8"},{"label":"split_canvas_y","value":"2710.0"},{"label":"split_canvas_w","value":"2603.2"},{"label":"split_canvas_h","value":"2692.8"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1591.8,1335.5 1585.8,690.5 1561.9,767.7 1479.6,686.9 983.3,683.8 974.9,1335.4 1529.5,1290.8 1591.8,1335.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0008__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[962.2,677.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.00055030001255,40.47574466617493]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,677.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.99892264386355,40.47578767759191]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1350.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.99886409623063,40.47450595249494]}},{"type":"Feature","properties":{"resourceCoords":[962.2,1350.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.00049175237963,40.47446294107796]}},{"type":"Feature","properties":{"resourceCoords":[1345.1,1019.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.999563,40.4751196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bloomington, Illinois | 1892 | sanborn01737_002 p9","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:15:22Z","modified":"2026-10-19T22:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"480.3,69.0 1220.5,88.5 1594.2,100.0 1585.2,533.6 1583.1,806.3 1574.0,975.5 1563.0,1423.8 1555.6,1423.5 1560.9,1844.5 1265.7,1846.8 446.7,1841.5 445.6,1912.0 427.2,1912.0 426.9,1881.5 73.3,1868.8 34.9,1811.2 78.1,403.5 36.1,158.0 78.0,28.4 481.2,30.2 480.3,69.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017371892:01737_1892-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1194.0,1411.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.995519,40.4786728]}},{"type":"Feature","properties":{"resourceCoords":[59.0,488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.9985474,40.4803432]}}]}}]}