{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06657_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Columbus Grove, Ohio | 1951 | 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":"14"},{"label":"placed","value":"4"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.92094,-84.05760 +/-450m); p1__3 (tier 4, 40.92094,-84.05760 +/-450m); p2 (tier 1, 40.91976,-84.05796 +/-228m); p3__1 (tier 2, 40.91777,-84.05792 +/-462m); p3__3 (tier 2, 40.91777,-84.05792 +/-462m); p3__4 (tier 2, 40.91777,-84.05792 +/-462m); p3__5 (tier 2, 40.91777,-84.05792 +/-462m); p3__6 (tier 2, 40.91777,-84.05792 +/-462m); p3__7 (tier 2, 40.91777,-84.05792 +/-462m); p4__1 (tier 1, 40.92264,-84.06325 +/-246m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus Grove, Ohio | 1951 | sanborn06657_006 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.19"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2802.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"4906.0"}],"created":"2026-10-19T14:26:48Z","modified":"2026-10-19T14:26:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.8,1844.7 239.1,1891.6 236.2,1917.8 233.8,1926.0 254.9,1926.0 260.0,1570.5 550.1,1568.2 640.9,1567.4 695.5,1567.0 695.5,1567.3 695.5,1642.3 695.5,1642.7 695.5,1710.7 695.5,1926.0 839.4,1926.0 839.2,1922.2 838.7,1903.8 940.1,1862.5 951.8,1875.1 1020.0,1811.8 1082.5,1750.9 1590.4,1659.6 1597.7,1424.1 1563.7,1258.2 1596.7,983.0 1570.9,786.9 1403.2,802.6 1358.3,787.1 1351.8,769.4 1366.3,762.0 1292.3,762.4 714.0,770.4 714.0,770.4 697.4,765.9 712.6,700.5 691.6,746.2 578.4,776.7 551.3,750.7 526.9,739.4 484.0,738.5 483.7,761.7 234.2,823.0 234.4,810.8 61.3,845.6 88.2,1131.9 58.3,1245.0 15.4,1247.7 154.9,1767.2 137.8,1844.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[484.0,738.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.056742,40.924109]}},{"type":"Feature","properties":{"resourceCoords":[1301.0,1546.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.053144,40.920864]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus Grove, Ohio | 1951 | sanborn06657_006 p3 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.30"},{"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":"2026-10-19T14:26:48Z","modified":"2026-10-19T14:26:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.5,1426.7 207.3,1457.1 966.8,1452.1 1071.7,1540.8 1402.8,1552.4 1403.0,1555.0 1406.0,1555.0 1406.0,1601.7 1406.8,1614.6 1446.5,1659.8 1447.8,1850.5 1477.0,1848.7 1507.9,1872.3 1576.2,1849.6 1607.2,1021.6 1575.9,708.0 1599.8,339.4 1561.6,202.3 1563.3,172.4 1052.7,249.0 988.5,308.1 918.5,369.5 907.1,356.5 804.5,394.9 804.5,413.2 804.5,424.2 804.4,424.4 309.1,901.6 255.9,952.9 253.3,955.4 234.2,973.8 193.3,1013.2 80.5,1426.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1468.0,734.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.052431,40.918307]}},{"type":"Feature","properties":{"resourceCoords":[355.0,878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.057889,40.918042]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus Grove, Ohio | 1951 | sanborn06657_006 p4 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.22"},{"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":"2026-10-19T14:26:48Z","modified":"2026-10-19T14:26:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1377.0,1867.6 1537.9,1472.0 1604.2,1421.9 1615.1,1413.7 1627.0,1404.7 1627.0,866.4 1620.2,857.7 1627.0,842.6 1627.0,834.7 1627.0,832.2 1534.0,771.0 1562.4,697.1 1501.8,164.1 1308.0,147.3 1263.8,86.3 1220.5,76.7 1053.1,129.5 914.8,315.6 951.0,650.3 937.2,766.5 895.5,797.0 895.5,797.0 895.4,797.0 895.3,797.1 178.7,797.5 61.7,864.1 44.9,1035.0 89.4,1154.5 675.0,1187.0 727.9,1187.0 785.7,1187.0 789.2,1193.3 783.5,1492.8 710.9,1682.5 718.0,1818.2 843.7,1792.3 970.9,1806.7 998.2,1775.3 1151.3,1783.8 1377.0,1867.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1484.0,1236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.059045,40.918443]}},{"type":"Feature","properties":{"resourceCoords":[1534.0,771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.058927,40.920169]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus Grove, Ohio | 1951 | sanborn06657_006 p4 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.37"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4748.0"},{"label":"split_canvas_w","value":"3142.8"},{"label":"split_canvas_h","value":"2960.0"}],"created":"2026-10-19T14:26:48Z","modified":"2026-10-19T14:26:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0004__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"667.2,1795.9 694.6,1722.9 682.4,1728.0 671.4,1709.9 772.8,1497.9 757.0,1289.5 534.9,1199.8 137.8,1195.2 56.7,1225.8 28.1,1205.6 12.9,1894.0 13.4,1899.4 193.0,1863.2 192.8,1875.9 451.6,1812.1 451.8,1788.0 496.4,1788.9 521.6,1800.7 549.8,1827.6 667.2,1795.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066571951:06657_1951-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[451.8,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.056742,40.924109]}},{"type":"Feature","properties":{"resourceCoords":[193.9,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.057949,40.924195]}}]}}]}