{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02465_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Petersburg, Indiana | 1921 | 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":"17"},{"label":"placed","value":"10"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 6, georef 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 38.48629,-87.28362 +/-100m); p1__2 (tier 1, 38.48665,-87.28415 +/-111m); p3__1 (tier 1, 38.49364,-87.27992 +/-103m); p3__3 (tier 1, 38.49503,-87.27772 +/-100m); p4__2 (tier 1, 38.49346,-87.27669 +/-100m); p9__2 (tier 1, 38.48844,-87.28316 +/-110m); p9__3 (tier 1, 38.49161,-87.28496 +/-106m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 p10 [1]","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":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.9,30.4 21.2,441.1 16.2,828.2 19.1,1064.5 11.3,1616.1 10.7,1835.0 39.4,1798.2 69.8,1872.0 467.0,1881.6 856.5,1740.8 856.4,1753.5 1256.8,1766.9 1256.5,1803.7 1364.8,1901.2 1569.7,1834.7 1570.6,1627.2 1488.3,1460.9 1412.8,1449.8 1304.2,1450.5 1196.0,1451.3 1196.0,1449.5 1196.0,1417.7 1161.3,1412.5 1135.2,1105.8 1192.3,833.7 1196.0,833.5 1196.0,830.0 1267.0,829.6 1550.2,814.2 1564.3,135.3 1612.0,49.2 1612.0,8.2 1284.7,15.9 1046.5,25.8 882.0,28.6 679.9,29.4 143.5,37.6 27.8,29.9 12.9,30.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[877.0,828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.28181415067532,38.48792243243172]}},{"type":"Feature","properties":{"resourceCoords":[1281.0,427.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.28044327396702,38.4878447300934]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.50"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2734.0"},{"label":"split_canvas_y","value":"4256.0"},{"label":"split_canvas_w","value":"3718.0"},{"label":"split_canvas_h","value":"3396.0"}],"created":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"692.9,1912.0 738.2,1912.0 1596.0,1906.6 1596.0,1899.2 1540.3,1770.4 1595.2,1555.3 1559.2,1380.3 1592.9,1368.5 1479.1,1270.2 1478.7,1232.2 1064.5,1228.2 1064.5,1215.1 683.5,1363.2 704.0,1370.7 692.9,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[683.5,1064.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.28380673391092,38.48753139136344]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1064.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.28242079673461,38.48622409756865]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.28393476677302,38.48522674445686]}},{"type":"Feature","properties":{"resourceCoords":[683.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.28532070394932,38.48653403825165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"213.6,1912.0 223.1,1879.2 48.3,1810.4 48.6,1328.7 128.0,1211.1 122.5,1117.5 68.0,1098.4 127.6,1081.0 125.8,124.4 219.2,141.8 506.4,20.4 1424.2,20.4 1540.0,61.0 1570.7,148.2 1583.1,1313.5 1578.6,1382.5 1578.0,1432.9 1578.5,1817.0 1201.8,1820.9 816.4,1819.2 711.3,1817.9 524.0,1833.0 450.6,1862.5 449.6,1912.0 213.6,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[829.0,1055.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.27275001360925,38.49371831666085]}},{"type":"Feature","properties":{"resourceCoords":[1183.0,1440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.27333844032549,38.49285630559313]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 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":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"380.8,1859.0 1059.2,1858.7 1059.2,1852.1 1467.9,1853.2 1466.3,1768.1 1467.5,1542.0 1465.8,1065.5 1469.5,905.7 1485.8,820.8 1541.5,639.8 1612.0,445.1 1612.0,315.2 1584.5,291.3 1565.6,95.7 1001.9,49.7 1014.8,89.2 880.5,189.5 886.2,269.9 825.5,339.8 459.1,370.8 476.5,1046.1 448.3,1098.2 448.3,1120.5 436.2,1120.5 382.7,1219.3 145.5,1221.0 131.8,1312.8 51.4,1318.5 44.3,1717.9 78.7,1776.0 339.6,1823.2 380.8,1859.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1069.0,1068.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.27935588087323,38.49482026119687]}},{"type":"Feature","properties":{"resourceCoords":[1069.0,824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.27891001640573,38.49512317204735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"206.2,458.1 134.0,655.5 76.9,839.0 60.0,925.0 55.6,1087.3 55.8,1570.9 53.8,1800.4 54.7,1857.5 470.4,1886.3 470.2,1887.9 915.7,1872.3 915.8,1866.9 1371.8,1876.8 1369.9,1603.2 1368.3,1289.4 1371.6,1074.7 1365.8,822.0 1377.8,711.3 1482.8,448.7 1612.0,126.7 1612.0,91.0 1527.2,55.8 1350.6,1.0 1267.8,1.0 1248.8,45.7 1137.5,1.0 995.6,1.0 970.3,33.4 756.7,58.0 629.7,302.3 238.7,354.2 206.7,326.2 206.2,458.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[677.0,350.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.27642379856815,38.494288211841514]}},{"type":"Feature","properties":{"resourceCoords":[1363.0,1078.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.27665445283142,38.49243054296065]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 p5","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"26"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.2,1827.2 170.9,1576.0 169.8,1271.0 173.2,1062.2 167.8,816.7 179.7,709.1 282.0,454.0 420.1,111.5 767.5,253.3 1109.0,386.7 1248.2,39.7 1265.8,11.8 1475.3,92.5 1484.3,113.7 1546.7,117.7 1588.3,219.5 1580.2,399.3 1487.6,505.0 1472.3,650.5 1558.0,968.5 1560.8,1608.0 1559.0,1672.1 1558.5,1749.3 967.5,1781.8 961.4,1836.5 172.2,1827.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[974.0,1449.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.276054,38.490777]}},{"type":"Feature","properties":{"resourceCoords":[282.0,454.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.275337,38.493035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"720.2,125.8 720.3,119.2 1135.6,129.9 1135.7,100.5 1551.4,137.7 1537.1,349.0 1524.3,652.6 1511.5,1371.2 1510.9,1473.9 1500.9,1665.2 1503.9,1753.7 1226.5,1756.4 1076.3,1762.0 681.1,1762.2 263.9,1768.3 264.1,1864.2 37.6,1839.0 64.7,141.2 30.8,110.3 720.2,125.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1519.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.281013,38.491701]}},{"type":"Feature","properties":{"resourceCoords":[75.0,1364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.28403,38.49319]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"22"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1276.9,1785.6 734.5,1798.7 617.3,1792.0 394.0,1800.5 266.2,1800.8 174.0,1809.0 168.4,1720.9 172.7,1530.0 170.2,1427.5 161.7,711.0 165.3,408.1 173.2,198.6 617.8,178.5 617.9,173.2 1073.2,178.4 1073.0,163.3 1450.6,163.5 1495.7,578.3 1490.5,578.4 1487.1,979.8 1490.4,1382.3 1486.4,1451.2 1481.2,1783.1 1276.9,1785.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[616.0,1006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.2802854,38.4910806]}},{"type":"Feature","properties":{"resourceCoords":[174.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.282428,38.490732]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 p8","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"784.9,1802.1 785.7,1840.3 1574.5,1849.0 1501.2,935.6 1585.3,236.0 1528.3,95.0 1236.0,81.3 1148.7,1.0 1128.3,1.0 1126.2,41.4 1123.6,120.8 514.6,139.1 506.9,195.3 73.2,179.2 103.2,596.3 98.0,596.2 80.0,998.0 68.6,1401.3 62.1,1470.0 44.8,1802.3 211.5,1804.1 453.1,1800.7 784.9,1802.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[494.0,593.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.277507,38.48982]}},{"type":"Feature","properties":{"resourceCoords":[80.0,998.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.278885,38.489876]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Petersburg, Indiana | 1921 | sanborn02465_005 p9 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"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":"2026-10-19T05:29:26Z","modified":"2026-10-19T05:29:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1576.3,1602.7 1596.2,1062.6 1598.5,831.0 1612.0,451.9 1612.0,49.4 1411.0,50.8 1287.3,47.2 1197.8,52.3 929.8,54.5 784.7,59.7 403.0,59.3 1.0,64.6 1.0,157.4 30.1,160.7 87.9,232.3 38.4,556.4 109.5,810.6 87.1,970.0 343.4,1052.3 686.9,987.0 807.3,1021.1 849.3,964.7 1165.3,1054.2 1165.4,1056.0 1166.3,1056.0 1166.4,1067.7 1210.0,1596.7 1279.0,1697.5 1520.0,1879.5 1570.8,1817.2 1576.3,1602.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094pm:g4094pm_g024651921:02465_1921-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1566.0,1105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.28373293956419,38.48883888404284]}},{"type":"Feature","properties":{"resourceCoords":[351.0,454.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.28456543183032,38.49141645189232]}}]}}]}