{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02473_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Princeton, Indiana | 1900 | 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":"15"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef-snap 9, georef 5, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p15__1 (tier 1, 38.34336,-87.56170 +/-118m); p16__1 (tier 1, 38.34534,-87.57067 +/-104m); p16__2 (tier 1, 38.35179,-87.57031 +/-100m); p16__3 (tier 1, 38.34524,-87.57174 +/-105m); p16__4 (tier 1, 38.35887,-87.57653 +/-102m); p16__5 (tier 1, 38.36219,-87.57772 +/-100m); p16__6 (tier 1, 38.35205,-87.57026 +/-100m); p3__1 (tier 1, 38.35421,-87.57161 +/-100m); p8__2 (tier 1, 38.34304,-87.56726 +/-196m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.1,113.9 1572.5,113.6 1591.5,113.6 1592.5,316.2 1582.5,316.4 1595.6,1084.5 1597.7,1330.3 1593.6,1603.8 1592.0,1720.9 1590.3,1831.7 32.1,1839.8 23.1,113.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1067.0,1315.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56388347954606,38.35192573494216]}},{"type":"Feature","properties":{"resourceCoords":[1565.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5627120695244,38.350917957030425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p11","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1602.7,63.2 1595.1,1638.2 1070.8,1635.7 1072.1,1660.4 831.8,1826.2 447.1,1894.2 51.3,1861.0 38.8,55.5 1602.7,63.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[560.0,588.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5688871,38.350002]}},{"type":"Feature","properties":{"resourceCoords":[1072.0,1119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5676711,38.3489991]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"552.3,1722.4 33.7,1723.3 30.9,149.4 1590.3,146.7 1600.7,146.7 1600.1,1652.8 1588.1,1652.9 1588.2,1720.7 801.0,1722.0 552.3,1722.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56516369956542,38.348974161826135]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5627267941052,38.348948261905925]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"258.0,71.3 256.7,46.2 789.6,49.4 1317.2,52.6 1559.0,54.0 1573.7,544.6 1576.6,544.7 1579.6,1153.8 1565.2,1153.7 1570.5,1758.9 1612.0,1759.2 1612.0,1860.2 1612.0,1861.2 40.6,1855.2 53.2,232.7 13.5,239.6 258.0,71.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[320.0,1144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5675485887301,38.34600272433924]}},{"type":"Feature","properties":{"resourceCoords":[320.0,1762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56755703019792,38.34486200831447]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.2,1772.3 104.3,1874.4 1560.7,1878.3 1556.3,195.3 1504.5,107.9 874.5,17.2 874.6,1.0 862.3,1.0 862.0,69.0 60.2,65.1 49.1,65.0 64.4,556.2 67.3,556.3 71.0,1166.1 56.6,1166.1 62.5,1772.0 104.2,1772.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[862.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.562725,38.3459539]}},{"type":"Feature","properties":{"resourceCoords":[862.0,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.562707,38.3479836]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p15 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.31"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1468.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4984.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0015__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1160.0,32.3 603.0,55.5 551.4,278.6 567.3,917.9 541.0,964.2 541.0,1030.4 540.9,1030.4 540.9,1030.4 503.1,1030.7 389.6,1230.4 427.6,1810.2 561.4,1876.8 643.1,1861.8 650.4,1757.8 828.7,1809.5 1036.5,1764.5 1111.0,1868.5 1356.1,1890.4 1511.9,1801.0 1585.8,1555.5 1576.5,388.4 1509.2,106.0 1160.0,32.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[619.8,1173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.560257,38.3437081]}},{"type":"Feature","properties":{"resourceCoords":[619.8,1715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5615112,38.3437097]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0015__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p15 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4126.4"},{"label":"split_canvas_w","value":"1468.0"},{"label":"split_canvas_h","value":"3525.6"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0015__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.7,1352.1 80.1,1864.0 90.7,1863.6 89.7,1834.0 340.9,1829.2 341.8,1388.8 272.2,1326.1 342.8,1256.7 330.9,1161.8 146.4,1170.7 62.6,1102.2 71.7,1352.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0015__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1031.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.5627436433088,38.352475550502575]}},{"type":"Feature","properties":{"resourceCoords":[367.0,1031.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.56189002194296,38.3524430026012]}},{"type":"Feature","properties":{"resourceCoords":[367.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.56198906851283,38.350822857656325]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.56284268987866,38.3508554055577]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1562.3,815.7 1549.2,1735.2 1542.7,1822.8 1600.9,1878.0 1561.6,1876.6 1515.4,1912.0 1446.8,1912.0 36.0,1854.5 66.9,111.5 722.5,26.4 1320.5,29.3 1583.8,151.3 1580.6,198.2 1593.3,816.0 1562.3,815.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1072.0,1339.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5747249,38.3563164]}},{"type":"Feature","properties":{"resourceCoords":[647.0,807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5757183,38.3573064]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"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":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.0,1296.9 8.3,1335.8 351.0,1340.0 380.0,1705.5 552.2,1878.7 654.9,1869.4 654.1,1830.9 678.8,1823.5 890.2,1879.8 1139.1,1831.0 1529.3,1875.2 1578.2,1839.7 1574.2,1839.7 1577.0,1573.3 1577.8,794.2 1574.8,715.0 1574.8,225.5 1574.6,88.0 1443.9,39.9 1342.0,93.2 1304.2,35.1 77.2,35.9 78.0,228.1 46.8,228.2 43.9,1154.6 38.3,1242.9 97.6,1298.0 58.0,1296.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1042.0,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.57125209775721,38.35626929441808]}},{"type":"Feature","properties":{"resourceCoords":[59.0,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.57355355689825,38.35630275549434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.8,1694.8 38.2,1695.7 50.0,37.0 1212.7,12.9 1514.5,30.1 1580.1,100.9 1601.8,78.6 1598.9,1321.4 1596.7,1580.8 1597.7,1844.9 1076.8,1831.7 35.5,1829.2 35.8,1694.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1072.0,792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56746178826764,38.35915110020552]}},{"type":"Feature","properties":{"resourceCoords":[1072.0,263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56744338956665,38.36014498967525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.2,1590.0 31.6,1329.7 25.8,82.8 81.7,24.5 1573.4,50.0 1576.7,1849.8 1341.1,1846.3 558.8,1858.0 34.0,1854.9 31.2,1590.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1074.0,795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56370115637924,38.35910130153568]}},{"type":"Feature","properties":{"resourceCoords":[563.0,795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56492135453558,38.359121909680866]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1059.5,1735.2 544.1,1724.0 45.7,1724.9 21.5,1725.0 17.6,1725.0 23.0,1464.0 31.7,700.4 29.5,622.8 34.5,143.0 1078.9,152.0 1601.2,168.5 1594.5,945.5 1575.8,1214.5 1574.0,1739.7 1059.5,1735.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1055.0,1205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56756431032962,38.35522519148471]}},{"type":"Feature","properties":{"resourceCoords":[1055.0,1741.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56757486072073,38.35422099008334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1602.7,1735.3 1075.9,1737.2 805.9,1720.3 26.4,1719.0 32.8,1192.9 26.0,408.3 30.9,172.1 57.5,149.2 553.0,150.0 553.0,163.7 1040.7,169.0 1605.1,176.9 1602.7,1735.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1076.0,654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5637407545934,38.355168208922834]}},{"type":"Feature","properties":{"resourceCoords":[1076.0,1747.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5663436564356,38.355199409570616]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p8 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"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":"2840.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"79.8,1826.8 596.8,1822.8 668.8,1793.3 703.9,1670.3 648.2,89.8 380.6,34.2 100.6,76.4 96.2,571.6 82.5,571.5 73.5,1058.9 61.5,1622.9 80.6,1623.1 79.8,1826.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[573.1,1104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5613951,38.3551287]}},{"type":"Feature","properties":{"resourceCoords":[71.0,1623.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.562601,38.3541662]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princeton, Indiana | 1900 | sanborn02473_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:00:18Z","modified":"2026-10-19T15:00:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.4,1829.7 70.5,1678.0 27.4,1252.5 91.0,716.9 52.5,84.0 552.4,79.0 1069.4,86.1 1585.6,86.5 1593.4,1822.6 22.4,1829.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024731900:02473_1900-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1058.0,799.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.56761907108684,38.35290085620913]}},{"type":"Feature","properties":{"resourceCoords":[1058.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.5675905781718,38.354269673541886]}}]}}]}