{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02037_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Murphysboro, Illinois | 1909 | 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":"24"},{"label":"placed","value":"14"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 8, georef-snap 6"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p13__1 (tier 1, 37.76171,-89.33781 +/-100m); p14__1 (tier 1, 37.76053,-89.34291 +/-215m); p14__4 (tier 1, 37.76749,-89.32674 +/-101m); p14__5 (tier 2, 37.76151,-89.34314 +/-100m); p1__1 (tier 1, 37.76056,-89.33834 +/-290m); p1__2 (tier 3, 37.75931,-89.33789 +/-569m); p1__3 (tier 1, 37.75991,-89.33919 +/-149m); p2__2 (tier 1, 37.76778,-89.34413 +/-102m); p3__1 (tier 1, 37.76719,-89.33688 +/-100m); p3__3 (tier 1, 37.76877,-89.33938 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.9,134.5 1570.8,136.0 1592.1,804.0 1560.4,1844.1 47.1,1807.8 37.9,134.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[563.0,135.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3461733,37.7633662]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3500665,37.7624213]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p11","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1564.9,166.6 1535.1,257.0 1535.6,422.5 1580.8,452.4 1535.8,512.8 1574.0,1787.1 10.3,1782.4 5.7,463.3 2.9,176.5 548.5,177.2 548.3,21.9 1612.0,104.5 1612.0,162.5 1564.9,166.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3444449,37.7633621]}},{"type":"Feature","properties":{"resourceCoords":[546.0,1784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3461733,37.7633662]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p12","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.8,37.9 1329.8,26.9 1562.0,24.8 1601.2,24.1 1563.6,673.3 1568.2,673.3 1572.5,1404.8 1516.6,1877.9 64.8,1875.8 37.3,1582.7 92.8,1581.5 166.6,559.8 17.4,560.8 15.3,37.0 109.8,37.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1341.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3394041,37.7631244]}},{"type":"Feature","properties":{"resourceCoords":[297.0,1074.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3418786,37.7623902]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p13 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.95"},{"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":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.9,387.2 55.6,1090.4 261.3,1113.2 385.4,1334.0 391.1,1796.8 479.0,1870.6 751.1,1776.1 1008.1,1806.4 1052.5,1747.8 1339.0,1748.8 1507.7,1822.8 1597.7,1301.6 1579.3,847.6 1560.5,847.5 1577.6,392.2 1585.9,380.8 1588.7,76.1 1307.5,76.8 1019.0,74.7 1019.0,67.4 376.6,73.1 74.8,36.9 50.2,387.2 54.9,387.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1019.0,380.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3366281,37.763138]}},{"type":"Feature","properties":{"resourceCoords":[1019.0,1141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3366218,37.7617406]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p14 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4146.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2305.6"},{"label":"split_canvas_h","value":"4680.0"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1583.3,606.5 1566.9,80.5 1355.8,23.9 1093.7,83.4 1070.6,1000.6 1126.0,1150.0 1578.8,1080.0 1519.2,804.7 1583.3,606.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1261.4,438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3347748156113,37.77328306482194]}},{"type":"Feature","properties":{"resourceCoords":[1261.4,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.33479820867669,37.7740175758569]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0014__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p14 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.66"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2876.0"},{"label":"split_canvas_w","value":"2338.4"},{"label":"split_canvas_h","value":"2134.0"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0014__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"9.8,1221.7 574.4,1249.0 572.5,735.0 1.0,722.5 1.0,748.2 9.8,1221.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,719.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.32807643140181,37.76799843819202]}},{"type":"Feature","properties":{"resourceCoords":[584.6,719.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.32671586500082,37.76799435107449]}},{"type":"Feature","properties":{"resourceCoords":[584.6,1252.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.326720574656,37.76701420581355]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1252.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.32808114105698,37.767018292931084]}},{"type":"Feature","properties":{"resourceCoords":[69.0,1075.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3279191,37.7673433]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p2 [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":"7652.0"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1333.7,1899.8 1570.8,1599.4 1568.7,1549.0 1586.5,1548.3 1551.3,1062.8 1596.5,254.9 1554.5,132.2 1271.2,20.1 850.3,111.8 753.6,79.4 656.4,200.8 689.9,463.1 629.2,771.3 613.0,771.4 597.0,771.6 77.0,856.3 55.8,1208.9 112.8,1338.3 52.1,1458.2 66.2,1780.0 111.3,1807.3 109.0,1889.0 479.8,1873.5 479.1,1858.9 1332.8,1882.0 1333.7,1899.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[451.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.34450680647717,37.767256294874905]}},{"type":"Feature","properties":{"resourceCoords":[1531.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.34199133325494,37.767169205462196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"897.2,1870.6 897.5,1828.5 1265.6,1827.8 1557.8,1596.1 1448.2,1596.1 1463.3,1274.2 1448.0,1274.3 1449.2,641.1 1519.4,639.3 1522.9,57.3 889.7,50.0 802.0,167.3 740.1,465.2 739.9,475.7 737.9,475.7 736.5,482.5 260.2,527.2 135.8,637.3 77.7,937.8 173.5,1296.7 49.4,1604.7 35.1,1809.8 897.2,1870.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1507.0,352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.33598201047901,37.76658671892821]}},{"type":"Feature","properties":{"resourceCoords":[184.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.33943323010807,37.769026527585176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1609.1,1752.3 1595.8,1752.0 1552.2,1883.9 1383.5,1796.5 966.2,1819.8 959.1,1878.4 841.7,1805.5 593.0,1879.5 51.1,1866.6 51.7,103.7 554.0,101.8 1341.0,96.6 1603.1,91.0 1609.1,1752.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[554.0,926.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3481045,37.7662643]}},{"type":"Feature","properties":{"resourceCoords":[554.0,1762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3500528,37.7662691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1596.4,135.8 1076.9,135.2 1076.8,103.3 56.0,115.6 1.0,557.6 1.0,978.3 14.7,978.2 16.3,1353.8 37.5,1355.2 38.5,1734.8 546.8,1731.5 1343.1,1723.9 1608.4,1717.5 1600.0,418.3 1596.4,135.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[552.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.34620807384601,37.76625019559981]}},{"type":"Feature","properties":{"resourceCoords":[1073.0,131.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.34250522312023,37.7652842300602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p6","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"21.0,1839.8 116.5,1840.6 1348.5,1829.5 1567.4,1827.5 1572.2,1190.9 1568.4,655.7 1335.8,366.4 1332.5,1.0 1290.5,1.0 1287.2,53.8 302.2,25.7 301.3,1.0 283.5,1.0 283.9,50.3 37.2,341.2 51.6,1328.2 20.1,1328.4 21.0,1839.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[811.0,788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3406541,37.766264]}},{"type":"Feature","properties":{"resourceCoords":[1344.0,1312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3394177,37.7652865]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p7","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.7,1441.0 70.2,1441.7 54.6,1441.8 60.0,806.2 56.0,162.9 376.0,176.0 375.9,160.7 1005.1,158.0 1007.3,227.8 1585.8,227.7 1583.2,705.4 1585.7,705.3 1593.0,1149.8 1591.0,1432.9 1592.8,1769.9 1314.0,1773.7 1028.0,1774.8 1027.9,1767.7 391.3,1780.5 91.7,1748.0 109.7,1441.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1309.0,1151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.335961,37.7648503]}},{"type":"Feature","properties":{"resourceCoords":[391.0,1436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3381172,37.7643355]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.2,1912.0 40.6,1912.0 56.2,1453.9 64.5,1442.4 66.2,1135.9 67.1,793.9 71.3,506.6 67.4,55.6 1121.6,18.7 1520.6,33.5 1593.4,86.5 1600.7,511.5 1603.1,796.2 1597.6,1439.3 1604.9,1439.9 1589.2,1669.8 1572.3,1666.6 1564.9,1858.7 1454.0,1873.5 1306.3,1873.5 1276.7,1821.8 1055.0,1888.3 57.5,1866.1 59.5,1912.0 48.2,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[714.0,506.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.33381146801523,37.76484971944651]}},{"type":"Feature","properties":{"resourceCoords":[714.0,222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.33381148589376,37.76536817127793]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Murphysboro, Illinois | 1909 | sanborn02037_003 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:02:00Z","modified":"2026-10-19T04:02:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.9,247.7 103.2,48.8 1452.5,53.3 1577.2,274.9 1514.3,1425.0 1572.0,1816.0 362.5,1885.6 33.1,1821.4 49.5,1592.0 42.2,1591.5 49.8,949.7 48.4,665.6 42.5,241.5 50.9,247.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020371909:02037_1909-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[896.0,390.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.32980430443175,37.7653491699108]}},{"type":"Feature","properties":{"resourceCoords":[66.0,1608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.33171571373894,37.76311575178478]}}]}}]}