{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06860_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Piqua, Ohio | 1905 | 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":"45"},{"label":"placed","value":"29"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef-snap 21, georef 7, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"10 sheet(s) cut into 29 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 40.15035,-84.23553 +/-100m); p10__3 (tier 1, 40.15022,-84.23495 +/-100m); p10__5 (tier 1, 40.14739,-84.23545 +/-100m); p10__7 (tier 1, 40.15214,-84.23639 +/-100m); p11__2 (tier 2, 40.14721,-84.25084 +/-101m); p19__2 (tier 1, 40.14481,-84.24016 +/-108m); p22__2 (tier 2, 40.14197,-84.24096 +/-154m); p23__2 (tier 1, 40.13595,-84.24349 +/-218m); p25 (tier 1, 40.13595,-84.23930 +/-262m); p27__1 (tier 1, 40.15365,-84.25508 +/-291m); p27__2 (tier 1, 40.15401,-84.25608 +/-116m); p27__3 (tier 1, 40.14383,-84.23949 +/-100m); p2__2 (tier 1, 40.15690,-84.24771 +/-100m); p3__1 (tier 1, 40.15371,-84.24025 +/-103m); p3__3 (tier 1, 40.15353,-84.24353 +/-100m); p9__2 (tier 1, 40.14986,-84.23712 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p10 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"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":"4002.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"253.2,1762.0 252.8,1926.0 322.6,1926.0 326.6,1758.5 381.5,1755.9 497.5,1733.0 650.8,1713.0 864.1,1697.7 951.0,1397.5 946.0,1029.3 865.7,789.0 660.1,646.6 609.5,371.1 271.5,333.5 147.1,402.4 103.0,363.3 88.3,651.0 150.1,650.4 104.9,1206.3 75.2,1206.3 125.0,1767.7 131.9,1767.9 253.2,1762.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[389.8,650.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.23567757951771,40.151917845745714]}},{"type":"Feature","properties":{"resourceCoords":[389.8,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.23561011761393,40.14991790298942]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p10 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.16"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4002.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2510.0"},{"label":"split_canvas_h","value":"3799.2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1536.9,58.3 1323.8,78.5 1170.8,102.2 1055.4,127.6 1000.5,131.6 1012.8,369.3 1028.4,347.8 1090.4,350.6 1090.4,343.8 1090.4,336.4 1443.0,336.4 1565.1,331.5 1601.5,145.2 1536.9,58.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1000.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23576285082049,40.150090307402166]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23422856904928,40.15009239191199]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,949.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23422447251836,40.148305818949545]}},{"type":"Feature","properties":{"resourceCoords":[1000.5,949.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23575875428958,40.14830373443972]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p10 [6]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.49"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4002.0"},{"label":"split_canvas_y","value":"3796.4"},{"label":"split_canvas_w","value":"2510.0"},{"label":"split_canvas_h","value":"2062.8"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1565.2,1378.3 1601.0,977.5 1046.2,1007.3 1015.6,1350.9 1565.2,1378.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0010__6/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1000.5,949.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23556368825092,40.14840968571211]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,949.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23403924999265,40.14851439984684]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1464.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23392747524555,40.14755023439016]}},{"type":"Feature","properties":{"resourceCoords":[1000.5,1464.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23545191350382,40.14744552025543]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p11 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.5,1869.1 146.7,1829.4 751.0,1881.7 1160.0,1760.4 1246.1,1564.0 1246.1,1562.4 1246.8,1562.4 1247.1,1561.7 1551.8,1522.9 1599.1,860.6 1619.8,865.6 1627.0,818.4 1627.0,129.5 1224.0,31.3 1222.8,71.5 933.0,54.4 647.2,45.8 364.4,47.1 89.6,44.1 75.0,1142.0 88.1,1141.9 99.1,1535.0 88.8,1534.2 96.5,1869.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[639.0,597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2517931,40.1484759]}},{"type":"Feature","properties":{"resourceCoords":[639.0,1144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2531304,40.1484363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p12","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"138.4,1183.2 98.5,1182.8 110.5,894.8 114.0,611.0 107.8,330.3 106.0,57.5 1572.9,51.5 1574.6,326.1 1571.9,569.6 1556.2,613.3 1543.8,1191.7 1579.1,1190.9 1613.1,1733.3 640.7,1756.0 641.1,1769.0 25.1,1686.0 138.4,1183.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[651.0,1188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2490913,40.1474352]}},{"type":"Feature","properties":{"resourceCoords":[114.0,611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2504448,40.1485005]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0013","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1565.0,1759.8 976.2,1791.0 976.2,1764.6 84.0,1786.5 48.9,1239.9 13.4,1240.8 25.0,657.7 40.9,613.6 43.2,368.1 41.1,91.3 685.0,87.8 967.2,88.4 1273.5,85.4 1576.2,84.2 1597.2,650.1 1588.2,650.1 1580.6,1232.3 1577.2,1232.3 1565.0,1759.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24530767591443,40.149643085695295]}},{"type":"Feature","properties":{"resourceCoords":[501.0,650.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24572769986544,40.14858606504632]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0014","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"335.1,1768.3 336.6,1728.9 97.3,1740.7 111.4,1220.4 114.8,1220.4 124.6,646.2 133.3,646.2 114.8,88.0 143.7,88.0 1535.5,88.0 1530.5,779.5 1533.6,1219.6 1534.2,1708.2 1533.3,1752.5 966.4,1767.0 966.4,1766.7 334.8,1776.9 335.1,1768.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[437.0,640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2422956600458,40.14865216490037]}},{"type":"Feature","properties":{"resourceCoords":[1519.0,640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.23961400074121,40.14870103670739]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0015","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"131.9,1714.3 131.0,1220.0 127.8,774.9 132.5,75.4 688.2,73.8 1240.2,64.8 1506.9,71.0 1627.0,65.0 1627.0,810.1 1570.4,812.6 1605.7,1151.9 1529.3,1647.1 1553.6,1733.1 1307.0,1770.5 1310.7,1757.2 1022.9,1743.3 473.7,1848.0 472.5,1825.9 131.6,1730.3 131.9,1714.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,638.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.238222,40.148718]}},{"type":"Feature","properties":{"resourceCoords":[131.0,1220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2395437,40.1476037]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p16","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"738.4,1881.3 738.5,1857.3 916.2,1864.8 1295.9,1871.8 1620.9,1875.5 1627.0,1663.2 1627.0,1619.5 1627.0,1339.9 1597.7,1339.3 1552.8,782.5 1627.0,782.3 1627.0,712.8 1486.5,317.4 1482.7,148.8 1481.8,110.3 845.3,17.3 849.1,1.0 274.9,1.0 274.0,9.0 90.4,10.3 58.5,146.7 124.2,178.4 79.4,1103.7 118.8,1720.3 69.8,1859.7 738.4,1881.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[652.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2510182,40.1452969]}},{"type":"Feature","properties":{"resourceCoords":[639.0,1853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.250957,40.14312]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0017","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.5,106.5 1460.9,73.8 1563.7,768.1 1565.1,768.1 1551.9,1323.1 1546.8,1323.1 1610.2,1850.4 1394.9,1846.7 1176.6,1844.8 925.9,1842.7 547.9,1843.7 284.8,1838.4 288.2,1631.5 284.3,1316.4 255.7,1316.2 205.3,774.0 277.6,772.8 276.8,705.1 135.1,321.4 129.3,157.2 127.5,106.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[909.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24711944910224,40.14415634010449]}},{"type":"Feature","properties":{"resourceCoords":[909.0,1839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24709330226821,40.143159227732724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0018","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"865.8,1863.2 617.6,1857.2 284.1,1853.6 230.3,1852.3 171.0,1326.1 176.2,1326.1 193.5,772.9 192.1,772.9 94.8,79.8 634.0,70.6 633.7,97.0 1463.7,59.4 1462.0,99.2 1459.5,160.5 1448.2,433.9 1442.8,788.3 1554.4,791.5 1557.6,1332.9 1554.2,1872.7 865.8,1863.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1446.0,775.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24247509198489,40.1452440460658]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,1853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24216230347353,40.14323075216186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p19 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0019","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.7,163.4 86.4,431.9 79.8,779.9 189.3,783.4 190.3,1315.2 184.8,1845.3 1234.6,1863.3 1221.7,1722.8 1210.9,1721.3 1170.8,1422.8 1184.0,1313.8 1180.2,1265.4 1226.9,1013.8 1264.7,1013.8 1438.5,1013.8 1497.8,930.7 1606.0,191.1 1627.0,187.2 1627.0,165.3 1292.9,68.6 1292.1,96.8 728.7,106.8 728.6,106.6 101.0,111.8 98.7,163.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1241.0,648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.23959674867393,40.14554034280667]}},{"type":"Feature","properties":{"resourceCoords":[195.0,1308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24215308966576,40.14421924692884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p20","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0020","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"79.5,1926.0 85.3,1754.1 88.8,1386.6 89.5,1072.1 95.7,811.0 96.0,435.8 99.0,187.0 100.6,53.1 785.4,50.2 784.5,33.4 1438.9,26.9 1437.7,86.3 1626.3,255.6 1600.6,1052.2 1547.4,1180.1 1581.4,1869.4 103.7,1884.9 102.8,1926.0 79.5,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[777.0,1860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.250517,40.141809]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,429.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.246958,40.140642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0021","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1538.2,495.4 1535.8,938.8 1539.0,1608.4 886.4,1620.5 887.3,1637.2 204.3,1645.9 204.6,1563.2 207.8,1296.6 207.2,965.4 210.1,719.0 210.9,35.3 880.1,30.3 1536.2,30.1 1538.2,495.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1530.0,486.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24319919053293,40.140693702463]}},{"type":"Feature","properties":{"resourceCoords":[220.0,486.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24324773696223,40.143164466363245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p22 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0022","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1511.0,1814.0 1508.0,1522.5 1517.0,1266.0 1509.1,621.7 1514.1,621.4 1537.0,205.5 1556.2,204.0 1553.8,134.3 1146.5,112.4 783.5,19.8 682.7,53.7 637.2,188.8 318.1,426.0 309.6,426.4 305.9,429.1 223.6,430.2 89.0,436.1 48.2,767.8 190.1,752.9 185.7,1814.5 854.9,1811.9 1511.0,1814.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[520.0,1271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24078,40.142583]}},{"type":"Feature","properties":{"resourceCoords":[1511.0,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.242074,40.140695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0023__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p23 [1]","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":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4199.2"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0023__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0023","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.8,76.6 83.8,545.0 76.7,991.4 72.7,1665.5 71.4,1725.2 260.4,1895.6 260.6,1889.6 980.8,1886.5 1018.4,1822.6 1027.0,87.0 86.8,76.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0023__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1017.8,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24197964976608,40.13895152566994]}},{"type":"Feature","properties":{"resourceCoords":[106.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24203709691406,40.14065978305524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0024","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.2,42.5 340.2,45.8 590.8,60.2 1220.8,66.5 1221.0,71.3 1627.0,102.7 1627.0,121.5 1563.2,122.3 1600.4,753.7 1533.5,1534.7 1583.6,1851.7 1288.1,1888.6 1204.5,1878.2 1181.7,1854.4 1148.7,1875.9 871.2,1815.6 623.2,1889.5 81.5,1881.1 70.3,1873.1 32.4,971.7 55.2,42.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1238.0,1004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.23899276575708,40.13893458035915]}},{"type":"Feature","properties":{"resourceCoords":[74.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24202434329511,40.14065117278908]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0026","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1584.7,1820.8 65.8,1869.5 38.4,1039.7 123.2,578.9 39.0,303.9 103.6,58.4 351.9,17.7 354.3,25.9 717.6,22.6 920.0,118.5 1523.0,117.8 1587.4,212.2 1627.0,548.9 1627.0,561.5 1584.7,1820.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23688371622166,40.146731058380674]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23292892707781,40.146763621324475]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.23287885828915,40.1431600382629]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.236833647433,40.1431274753191]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0027__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p27 [4]","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":"4679.6"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"3028.4"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0027__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0027","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"349.6,1926.0 1564.5,1926.0 1589.7,1874.5 1584.5,1581.2 1584.9,1340.0 1497.2,1234.8 783.0,1272.6 598.8,1194.7 53.8,1325.0 51.4,1814.8 49.1,1817.3 62.3,1884.3 349.4,1882.5 349.6,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0027__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[330.0,1316.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.25364998537432,40.153661816179664]}},{"type":"Feature","properties":{"resourceCoords":[1586.0,1316.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.25066721389435,40.15370711584623]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"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":"6512.0"},{"label":"split_canvas_h","value":"5302.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1581.7,63.9 1040.5,55.9 529.6,54.0 481.0,76.7 481.7,35.3 228.8,164.0 88.0,162.3 28.2,300.7 56.5,832.9 69.4,826.2 343.3,1324.5 353.1,1320.3 899.6,1324.5 1565.9,1324.5 1570.7,941.6 1581.7,63.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[490.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24410885776773,40.154886952229425]}},{"type":"Feature","properties":{"resourceCoords":[1555.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24400697007691,40.1528762788664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p2 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.40"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1848.0"},{"label":"split_canvas_y","value":"5302.0"},{"label":"split_canvas_w","value":"4664.0"},{"label":"split_canvas_h","value":"2406.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1479.5,1344.1 1464.8,1344.2 1460.0,1355.2 519.9,1366.2 503.2,1590.0 672.5,1925.3 1497.7,1923.1 1479.5,1344.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[462.0,1325.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.24719295667657,40.15730261260757]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1325.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.24582105721932,40.15539963259904]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.24709644111778,40.1548549207145]}},{"type":"Feature","properties":{"resourceCoords":[462.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.24846834057503,40.15675790072303]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p3 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1526.6,1458.2 1524.8,1188.2 1487.5,1188.4 1517.5,651.4 1552.3,651.4 1557.0,95.0 1362.5,96.5 1362.0,25.8 1021.9,79.0 936.3,154.4 933.7,286.6 932.9,389.5 931.7,389.5 931.6,392.6 679.2,394.7 586.9,456.0 518.0,812.1 518.0,818.0 516.9,818.0 516.6,819.1 236.1,827.6 234.5,904.7 136.3,909.8 33.8,1489.7 96.8,1848.4 65.0,1926.0 202.7,1926.0 448.6,1794.9 448.7,1835.6 496.0,1812.3 997.5,1804.6 1528.8,1802.3 1528.6,1761.3 1526.6,1458.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1557.0,95.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.239707,40.1528361]}},{"type":"Feature","properties":{"resourceCoords":[460.0,1193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2425254,40.1549054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1495.3,127.9 1627.0,127.7 1627.0,700.4 1550.3,700.5 1551.2,1249.2 1545.0,1249.2 1504.8,1836.1 1166.7,1848.8 1165.0,1846.8 508.3,1888.9 124.3,1800.0 55.6,1624.8 128.0,1040.4 125.5,837.8 48.0,727.4 85.7,69.9 1121.2,36.9 1425.1,123.8 1482.6,62.5 1495.3,127.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.2578881420353,40.15279206429355]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.25394489550858,40.15286506659282]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.25383263742893,40.149272312541584]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.25777588395565,40.14919931024232]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2636.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"5072.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1581.8,1854.4 1583.3,1562.5 1575.9,1281.3 1575.2,991.8 1570.6,723.8 1506.6,659.0 192.1,659.0 192.2,729.4 114.2,729.7 116.0,1284.8 109.8,1284.8 69.7,1889.1 468.2,1871.3 467.9,1858.0 1581.8,1854.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1016.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2518591368608,40.149568253322926]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.25062140561477,40.15163773587665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p5 [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":"6512.0"},{"label":"split_canvas_h","value":"2636.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1516.9,594.7 1505.8,65.3 386.5,28.4 72.6,87.6 66.1,79.7 65.7,316.1 70.7,603.5 621.0,600.3 1516.9,594.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[616.0,584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.2493098379744,40.15274988457421]}},{"type":"Feature","properties":{"resourceCoords":[86.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.25062220034079,40.153735499667334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.2,1812.7 1557.9,1814.0 1557.6,1247.0 1551.1,963.3 1552.1,691.5 1582.4,691.5 1576.2,117.0 608.0,116.8 58.9,116.5 33.9,166.8 1.0,166.6 1.0,626.2 64.7,691.3 68.1,957.1 67.6,1244.3 73.8,1523.2 71.2,1812.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[607.0,679.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24926353443091,40.15167531664776]}},{"type":"Feature","properties":{"resourceCoords":[607.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24919114415901,40.14957568902124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.8,1256.8 42.2,975.6 40.2,706.1 70.2,705.9 57.9,136.5 370.5,133.0 1255.4,123.4 1297.5,123.0 1588.8,119.8 1600.5,689.9 1587.3,690.0 1597.7,1242.4 1604.4,1242.4 1600.7,1804.5 1286.8,1807.2 981.5,1811.5 700.2,1812.3 58.4,1818.8 51.8,1256.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[681.0,129.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24541523156034,40.1527988282146]}},{"type":"Feature","properties":{"resourceCoords":[1264.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24392228717636,40.14966392415796]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.7,149.2 388.0,149.3 388.1,111.4 933.5,145.8 933.2,181.2 1498.5,189.9 1498.6,713.5 1495.1,1263.6 1495.8,1820.9 103.4,1816.9 86.7,1816.8 96.7,1260.5 90.1,1260.5 86.1,713.5 99.2,713.6 94.1,149.2 113.7,149.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[926.0,169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24112662331657,40.152846666516126]}},{"type":"Feature","properties":{"resourceCoords":[926.0,1826.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.24101677460742,40.149709089332255]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Piqua, Ohio | 1905 | sanborn06860_004 p9 [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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T13:11:47Z","modified":"2026-10-19T13:11:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"721.0,1846.7 1272.3,1839.5 1531.8,1846.4 1482.5,1286.8 1512.2,1286.9 1557.7,732.8 1496.1,733.4 1511.0,446.6 1421.4,367.0 939.4,368.6 660.2,44.6 243.7,19.1 241.0,1.0 168.4,1.0 168.5,199.6 168.7,728.4 165.3,1283.8 166.0,1846.5 721.0,1846.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084pm:g4084pm_g068601905:06860_1905-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[174.0,182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.23969459651113,40.15286937097473]}},{"type":"Feature","properties":{"resourceCoords":[1248.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.23695118034505,40.14980260674111]}}]}}]}