{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06586_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ashtabula, Ohio | 1909 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"60"},{"label":"placed","value":"26"},{"label":"unplaced","value":"34"},{"label":"fit sources","value":"georef-snap 16, georef 6, snap:0 3, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"19 sheet(s) cut into 46 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 41.86617,-80.79065 +/-100m); p12__1 (tier 1, 41.86650,-80.78388 +/-214m); p18__2 (tier 1, 41.85805,-80.78442 +/-100m); p19__2 (tier 1, 41.85867,-80.78512 +/-100m); p20__1 (tier 1, 41.86452,-80.77592 +/-259m); p20__2 (tier 1, 41.86386,-80.77626 +/-146m); p21__1 (tier 1, 41.85656,-80.80771 +/-264m); p21__2 (tier 1, 41.85297,-80.80842 +/-123m); p22__2 (tier 1, 41.86038,-80.80343 +/-100m); p22__3 (tier 1, 41.86027,-80.80325 +/-100m); p23__1 (tier 1, 41.87638,-80.79269 +/-218m); p25__1 (tier 1, 41.89941,-80.80258 +/-100m); p25__3 (tier 1, 41.90141,-80.80503 +/-100m); p27__1 (tier 1, 41.89575,-80.80548 +/-100m); p28__1 (tier 1, 41.89552,-80.80425 +/-221m); p2__1 (tier 1, 41.85617,-80.80761 +/-105m); p2__2 (tier 1, 41.87304,-80.79321 +/-240m); p3 (tier 2, 41.87390,-80.78937 +/-100m); p31__1 (tier 1, 41.89397,-80.78772 +/-202m); p31__2 (tier 1, 41.89538,-80.78776 +/-191m); p32__1 (tier 1, 41.89287,-80.79125 +/-100m); p32__2 (tier 1, 41.89390,-80.79140 +/-100m); p33__1 (tier 1, 41.86151,-80.79208 +/-154m); p33__2 (tier 1, 41.87236,-80.79972 +/-154m); p33__3 (tier 1, 41.85811,-80.79549 +/-116m); p33__4 (tier 1, 41.86141,-80.79205 +/-117m); p33__5 (tier 1, 41.87439,-80.79868 +/-100m); p34__1 (tier 1, 41.87418,-80.77231 +/-100m); p34__2 (tier 1, 41.87294,-80.77220 +/-183m); p34__3 (tier 1, 41.87154,-80.78033 +/-100m); p34__4 (tier 1, 41.87095,-80.77194 +/-209m); p5__2 (tier 1, 41.86126,-80.78670 +/-100m); p7__2 (tier 1, 41.87071,-80.78277 +/-100m); p8__2 (tier 1, 41.86448,-80.79740 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p10 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.60"},{"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":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"255.2,1873.5 1318.7,1865.5 1317.7,1564.7 1317.2,1286.9 1449.9,1285.3 1610.5,1282.8 1601.8,734.7 1622.2,736.0 1574.7,42.9 1612.3,33.3 1545.5,13.4 1534.7,1.0 1125.0,1.0 918.7,52.3 879.7,92.6 856.0,175.9 761.2,241.8 794.4,292.2 700.8,354.5 632.9,313.2 568.8,325.3 540.5,342.8 54.1,714.1 1.0,758.2 1.0,760.8 65.0,873.4 114.4,970.2 108.5,1294.2 88.4,1294.3 107.1,1879.4 220.5,1879.3 255.2,1873.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79194305596103,41.86740876951555]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78794682207929,41.86734509261922]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.7880473223223,41.86379760979643]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79204355620405,41.86386128669276]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1513.3,668.2 1513.5,667.2 1553.2,350.2 1569.9,308.8 775.4,58.2 605.0,1.0 384.1,1.0 233.2,650.5 219.9,646.6 209.4,941.2 207.1,1006.8 192.4,1050.4 144.7,1069.2 1.0,1059.1 1.0,1926.0 127.7,1926.0 142.2,1916.4 160.0,1902.5 183.6,1836.3 191.3,1874.6 895.2,1861.9 892.8,1882.3 1447.9,1901.2 1450.8,1819.8 1454.0,1719.3 1486.0,1043.2 1477.2,990.5 1511.9,679.7 1513.3,668.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1471.0,1036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78594445136805,41.86498737948833]}},{"type":"Feature","properties":{"resourceCoords":[1471.0,290.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78412468940208,41.86502635526027]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p12 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"363.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6148.8"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"904.8,1825.1 905.3,1838.6 1623.2,1768.3 1622.8,1610.5 1614.1,1189.6 1609.2,1037.7 1602.3,595.8 1590.2,245.3 1586.3,1.0 1520.3,1.0 1515.0,50.6 1173.4,26.0 1163.8,1.0 1108.7,1.0 945.5,217.3 371.6,911.2 132.1,1295.9 91.9,1358.1 186.3,1343.0 187.3,1342.8 187.3,1342.8 393.0,1517.8 489.9,1888.0 521.9,1926.0 566.9,1926.0 628.4,1907.6 904.8,1825.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1580.0,-532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78175173956589,41.8710984090275]}},{"type":"Feature","properties":{"resourceCoords":[78.8,1265.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78664401822653,41.868723846845235]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0013","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.3,1614.0 150.9,1165.9 144.5,810.5 144.7,561.8 77.8,560.6 117.2,238.4 654.4,214.0 853.3,26.4 1232.7,39.9 1279.3,95.4 1311.6,47.8 1371.5,122.5 1516.1,119.2 1606.5,752.3 1607.0,1794.9 1525.4,1806.9 1524.2,1764.3 1291.0,1836.6 1265.3,1845.1 781.1,1916.2 775.8,1770.8 612.5,1771.8 152.8,1768.0 150.3,1614.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[773.0,1749.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78144770748105,41.86774238012239]}},{"type":"Feature","properties":{"resourceCoords":[773.0,240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78042077384687,41.8703982542562]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0014","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1170.9,1857.6 743.8,1851.6 743.7,1849.2 130.8,1848.2 65.3,1875.4 65.2,1047.7 68.5,865.9 13.2,690.4 3.5,659.6 72.3,654.3 75.2,494.1 75.0,66.7 535.2,72.0 698.8,71.7 703.6,217.3 1214.5,139.3 1448.2,67.8 1449.3,110.4 1531.1,98.7 1530.3,336.2 1605.2,384.0 1585.0,1095.1 1530.0,1279.4 1535.4,1730.2 1283.1,1786.6 1231.3,1869.0 1170.9,1857.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[740.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78134879434658,41.86770779343054]}},{"type":"Feature","properties":{"resourceCoords":[740.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78254978471671,41.86456017694462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0015","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.0,1793.5 49.1,1586.5 54.7,1186.5 89.9,1185.3 129.2,752.3 132.3,752.4 41.5,211.4 62.5,207.8 383.7,143.4 418.1,94.6 483.3,68.1 1091.2,72.7 1091.2,75.0 1514.9,83.5 1574.8,95.2 1573.8,96.7 1590.2,1823.4 1583.2,1829.3 1089.5,1784.0 1089.4,1789.2 1089.2,1815.8 50.0,1793.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[411.0,68.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78416284182202,41.86489652700141]}},{"type":"Feature","properties":{"resourceCoords":[1086.0,68.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78255258041841,41.86456345394522]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.4,801.4 22.6,1518.0 38.9,1846.2 91.8,1895.9 1562.4,1870.7 1589.8,1357.7 1518.6,1358.7 1536.7,1136.7 1592.5,553.5 1579.6,31.6 1451.8,32.7 1451.7,31.9 391.7,46.1 357.2,52.0 204.2,53.0 153.3,344.5 197.8,343.4 144.2,726.3 1.0,729.2 1.0,791.5 47.4,801.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79237584548342,41.864054434504325]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78836722996652,41.86397290653876]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78849589807736,41.86041426116288]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79250451359425,41.86049578912844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p17","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0017","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.7,302.2 125.7,26.1 256.6,25.6 495.2,24.1 593.9,23.2 1258.2,27.3 1309.6,16.5 1615.8,38.0 1627.0,38.9 1627.0,99.3 1610.7,98.3 1589.5,96.5 1539.3,640.2 1536.2,639.4 1388.3,1046.3 1354.1,1038.4 1247.0,1422.1 1235.3,1466.7 1195.1,1621.7 1179.5,1681.4 1122.3,1899.3 1123.2,1857.6 242.1,1890.5 239.7,1926.0 202.1,1926.0 169.1,1926.0 190.3,1704.8 253.9,1123.8 248.7,603.0 122.1,602.2 123.7,302.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.7890883,41.8650393]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.7850407,41.8650017]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78510039999999,41.8614337]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.789148,41.8614713]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p18 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"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":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0018","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1097.0,141.1 1097.0,146.3 1096.7,172.7 58.1,156.0 58.4,217.4 59.1,442.1 59.1,495.1 104.3,922.1 54.6,1826.5 1.0,1832.7 1.0,1847.9 1085.8,1863.6 1085.4,1926.0 1189.9,1926.0 1178.2,1903.0 1588.3,1848.1 1625.3,1060.5 1604.0,930.6 1363.8,921.3 1279.2,919.6 1279.2,918.0 1273.6,917.8 1240.3,610.2 1296.2,416.2 1296.7,403.0 1300.0,403.1 1301.9,396.7 1507.8,399.2 1529.9,234.5 1590.5,183.7 1097.0,141.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78620128947718,41.86231674767849]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78232119574594,41.861498569952985]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.7836124001719,41.85805388513485]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78749249390314,41.85887206286035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p19 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.90"},{"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":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0019","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"425.6,1211.5 426.0,1211.5 441.3,1493.6 428.0,1522.5 373.1,1522.5 150.9,1616.6 76.5,1881.1 400.9,1899.8 684.7,1831.8 924.3,1898.1 1584.6,1871.5 1605.7,310.7 1497.1,103.5 1393.0,104.5 1392.6,42.0 310.8,36.4 310.6,21.3 49.9,53.8 27.8,833.7 205.3,1206.3 425.6,1211.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.7881553672387,41.85924031262872]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78427121679377,41.85839182683445]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78561818797778,41.85496385739119]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78950233842271,41.85581234318546]}},{"type":"Feature","properties":{"resourceCoords":[1396.0,575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.7852268,41.8574895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p22 [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":"7708.0"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0022","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.5,1828.0 294.4,1893.8 1163.0,1878.7 1393.1,1580.9 1398.0,1580.8 1398.7,1579.3 1402.0,1580.8 1579.8,1578.6 1576.4,733.6 1436.2,610.9 613.8,619.0 613.6,617.6 611.5,617.6 611.5,605.5 557.5,291.6 594.1,110.3 543.6,22.2 429.4,15.7 62.0,82.8 62.5,1828.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[761.0,967.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.80445067531879,41.85991554753983]}},{"type":"Feature","properties":{"resourceCoords":[1469.0,967.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.8029294414229,41.86056645709638]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0023__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p23 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3380.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3132.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0023__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0023","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1606.5,1615.0 1576.8,1539.5 1618.9,990.9 1536.5,201.5 1450.7,105.0 1124.9,90.2 955.3,430.4 965.4,565.5 1045.0,658.1 952.5,874.9 1006.6,925.9 981.4,1364.9 881.6,1524.6 1275.2,1834.8 1275.2,1838.1 1606.5,1615.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[845.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79624602660381,41.871450110492354]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79459513825502,41.87221920359616]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79205659080819,41.869189841132275]}},{"type":"Feature","properties":{"resourceCoords":[845.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79370747915698,41.86842074802847]}},{"type":"Feature","properties":{"resourceCoords":[1257.0,666.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.7945,41.8708078]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0024","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1412.2,1666.0 1417.6,1601.9 1436.0,1385.8 1539.3,403.2 1567.0,116.1 1524.9,1.0 1393.3,1.0 1390.7,95.3 912.8,64.5 736.1,144.8 118.4,194.5 37.1,326.6 42.5,988.3 130.3,1143.0 55.1,1708.9 98.8,1856.1 215.8,1867.4 215.8,1884.8 1342.5,1876.2 1389.3,1875.8 1412.2,1666.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1605.0,127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.80433086542155,41.89961879627866]}},{"type":"Feature","properties":{"resourceCoords":[215.0,574.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.8077539615621,41.89879119027347]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0025__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p25 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0025__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0025","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"157.0,1817.3 1190.7,1615.8 1550.5,1543.5 1568.6,1539.9 1556.0,496.0 1586.1,153.8 1257.5,197.2 785.7,147.7 698.3,317.1 816.0,373.6 804.0,496.0 655.5,741.6 139.4,1578.5 29.9,1764.4 1.0,1818.6 1.0,1820.8 38.8,1833.3 157.0,1817.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0025__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1556.0,496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.8027479,41.9002426]}},{"type":"Feature","properties":{"resourceCoords":[804.0,496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.8044247,41.8996386]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p26","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0026","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"546.0,1848.0 208.8,1816.6 205.3,1789.5 60.8,1445.5 55.2,1145.6 221.1,905.6 301.2,430.9 248.4,276.5 549.9,54.9 1340.0,48.8 1388.9,41.7 1426.8,627.1 1433.7,775.8 1451.8,951.8 1472.8,1266.2 1483.4,1360.9 1575.0,1840.9 546.0,1848.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.0,828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.8004464,41.9010826]}},{"type":"Feature","properties":{"resourceCoords":[546.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.8027479,41.9002426]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0027__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p27 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"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":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0027__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0027","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.9,1738.0 1512.9,1722.2 1475.9,1411.7 1465.7,1411.0 1511.0,971.4 1562.2,499.9 1610.4,58.3 1612.5,38.9 1564.9,39.4 984.5,45.6 418.2,51.6 418.1,34.0 228.8,30.1 82.1,45.2 52.1,112.1 29.8,899.7 89.7,1397.5 755.7,1427.2 756.1,1430.0 762.0,1430.0 762.0,1469.5 823.1,1880.4 972.8,1835.8 1549.0,1880.3 1557.9,1738.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.80875536951594,41.896479943236535]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.8048124868504,41.89647958169915]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.80481305772014,41.89298105920555]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.80875594038568,41.89298142074294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0028__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p28 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1662.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4850.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0028__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0028","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"971.7,1926.0 1017.9,1926.0 994.5,1836.4 1220.6,1777.4 1538.4,1810.9 1612.5,1265.7 1594.2,766.1 1627.0,755.4 1627.0,707.9 1502.0,621.8 1515.2,602.3 1148.8,191.1 1064.9,313.1 618.7,13.1 545.0,106.2 505.9,125.0 549.7,329.3 644.0,773.6 740.6,1227.9 832.9,1650.8 842.6,1648.3 971.7,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0028__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[415.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.80491185820667,41.8970666450021]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.80204674404882,41.8963650478063]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.80354158564263,41.89297132451305]}},{"type":"Feature","properties":{"resourceCoords":[415.5,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.80640669980048,41.89367292170885]}},{"type":"Feature","properties":{"resourceCoords":[618.4,13.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.8044415,41.896926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0029","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.1,1265.9 44.4,1112.6 68.2,1112.5 201.3,572.1 51.9,572.1 46.8,29.0 1105.3,37.9 1474.2,38.9 1477.7,38.9 1502.2,567.7 1526.1,567.4 1533.0,1109.7 1502.0,1109.8 1526.3,1647.3 1596.0,1647.0 1498.0,1775.5 1577.1,1817.3 1559.0,1877.5 1394.9,1789.4 1077.9,1889.8 79.3,1877.3 47.0,1325.5 4.6,1293.1 44.1,1265.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1113.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.80232994874933,41.89809024793599]}},{"type":"Feature","properties":{"resourceCoords":[77.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.8043599601889,41.89693770492739]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p30","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0030","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1609.0,1816.3 1076.5,1836.0 1076.7,1805.4 539.7,1807.8 539.8,1831.5 15.9,1851.6 16.1,1836.6 24.4,1343.0 33.4,1247.0 77.5,931.8 95.8,753.9 119.6,605.4 202.8,18.6 900.9,61.2 1128.2,136.3 1522.3,91.8 1572.7,204.8 1493.5,318.6 1554.8,393.9 1494.8,411.9 1589.2,503.8 1611.5,641.1 1603.5,1742.7 1609.4,1747.2 1609.0,1816.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79801236169813,41.90063253706914]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79552909142836,41.89824949265087]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79931217440192,41.89605787450302]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.80179544467168,41.898440918921295]}},{"type":"Feature","properties":{"resourceCoords":[90.0,797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.7994398,41.8995944]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0032__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p32 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.35"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2392.4"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"5315.6"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0032__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0032","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1049.6,1861.1 1078.8,1883.1 1572.3,1879.3 1564.2,679.0 790.0,636.2 472.1,1047.2 466.3,1056.0 465.3,1056.0 462.0,1060.2 204.5,1062.5 46.9,1253.0 43.4,1352.6 125.9,1846.9 285.9,1919.2 786.9,1922.2 1049.6,1861.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0032__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,598.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.79325115509296,41.895082713062315]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,598.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78912775384534,41.89496972439405]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78925079582548,41.89244636949243]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.7933741970731,41.892559358160696]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1600.3,237.2 1542.0,931.8 1570.7,931.4 1510.4,1788.1 1529.5,1791.0 1292.7,1821.7 1285.8,1857.2 1203.5,1777.6 862.8,1784.7 791.8,1879.1 378.8,1877.3 331.6,1831.8 291.1,1884.3 46.9,1770.6 41.0,1347.3 106.3,1216.8 42.9,1104.5 49.2,438.3 118.5,220.0 59.5,61.1 663.2,33.2 762.6,129.2 1506.2,134.5 1610.7,225.3 1627.0,222.2 1627.0,222.6 1600.3,237.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.7879225575837,41.875127288408876]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78512570787346,41.87295652136129]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.78855218562656,41.870474022476216]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.7913490353368,41.872644789523804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"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":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"599.0,1870.8 596.5,1874.3 599.0,1870.8 665.9,1867.0 1271.3,1828.0 1304.3,1829.1 1363.7,1854.3 1396.5,1926.0 1507.9,1926.0 1529.5,225.7 1481.0,97.7 1146.5,317.7 1146.5,314.4 758.0,1.0 756.1,1.0 739.8,24.6 401.7,24.7 360.1,76.1 487.8,188.1 834.6,481.8 836.0,483.0 1029.0,646.5 1029.0,646.5 1020.5,655.0 254.0,1118.1 206.8,1151.9 204.8,1153.0 101.5,1210.2 21.4,1494.8 121.4,1562.1 134.8,1897.4 394.0,1883.7 599.0,1870.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[659.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.79190079678646,41.86613022749447]}},{"type":"Feature","properties":{"resourceCoords":[1131.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.79091413481129,41.866600929696524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.0,1555.8 1627.0,1376.4 1627.0,67.5 1619.5,67.5 1240.8,80.0 760.1,87.0 320.2,88.5 236.4,91.5 229.4,91.8 1.0,165.6 1.0,203.1 32.4,223.7 48.4,1663.8 30.4,1731.4 1.0,1753.5 1.0,1754.2 1627.0,1793.5 1627.0,1678.0 1571.3,1610.9 1560.0,1555.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1549.0,654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78785436091799,41.8681988232365]}},{"type":"Feature","properties":{"resourceCoords":[1549.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78669252125063,41.86876712566634]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.7,278.7 1627.0,244.8 1627.0,243.2 1569.0,207.0 1564.2,77.8 1499.6,30.8 884.8,23.6 71.4,294.5 46.2,313.2 86.9,1005.0 115.2,1000.8 176.9,1852.7 203.1,1853.0 285.7,1854.0 718.5,1873.3 1191.7,1889.0 1564.9,1894.7 1586.0,1902.1 1546.3,1451.6 1588.2,550.9 1588.7,278.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1564.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.786474879274,41.86872568897416]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,-108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.78251907104166,41.87086919328566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"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":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1603.4,1354.2 1547.8,1281.1 1515.3,1277.0 1435.5,444.1 1524.0,416.8 1569.8,111.3 1386.7,61.0 1165.2,182.8 919.5,113.7 879.0,47.6 810.7,95.0 424.4,35.5 62.5,166.9 106.8,196.1 42.9,229.6 29.9,393.6 128.3,714.6 24.9,1583.8 61.0,1663.8 130.2,1662.5 141.5,1773.0 531.4,1894.7 980.7,1874.6 1106.5,1518.5 1107.6,1508.8 1109.9,1509.0 1112.0,1503.1 1560.6,1558.9 1603.4,1354.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[837.0,648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.79682227459905,41.863363763752304]}},{"type":"Feature","properties":{"resourceCoords":[171.0,790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.79829626348324,41.86274575164423]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashtabula, Ohio | 1909 | sanborn06586_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:40:38Z","modified":"2026-10-19T05:40:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"350.2,1846.0 382.2,1839.5 458.1,1890.9 456.1,1873.3 704.2,1889.7 1059.1,1794.4 1283.2,1843.7 1283.5,1781.7 1426.3,1779.5 1481.3,1397.8 1437.2,1398.6 1489.0,1108.1 1528.6,1108.1 1509.5,526.2 1529.4,526.1 1534.8,203.9 1485.9,107.7 1425.6,1.0 1406.9,1.0 1259.0,114.7 1051.9,270.3 854.8,1.0 734.0,1.0 750.9,52.3 540.8,108.0 441.6,234.1 136.0,255.4 51.6,723.6 30.1,724.9 84.0,1028.7 9.0,1082.8 350.2,1846.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065861909:06586_1909-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[759.0,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.79365904125414,41.86505750081018]}},{"type":"Feature","properties":{"resourceCoords":[189.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.79509838834115,41.86432559053437]}}]}}]}