{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09486_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ashland, Wisconsin | 1901 | 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":"43"},{"label":"placed","value":"15"},{"label":"unplaced","value":"28"},{"label":"fit sources","value":"georef-snap 14, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p10 (tier 1, 46.58776,-90.87687 +/-271m); p14 (tier 1, 46.58730,-90.87848 +/-264m); p15 (tier 1, 46.58600,-90.87737 +/-263m); p18 (tier 1, 46.58661,-90.87959 +/-273m); p20 (tier 1, 46.58604,-90.88092 +/-274m); p22 (tier 2, 46.58665,-90.88829 +/-100m); p23 (tier 1, 46.58250,-90.89148 +/-269m); p24 (tier 1, 46.57891,-90.89168 +/-271m); p25 (tier 1, 46.58484,-90.89708 +/-268m); p28__1 (tier 1, 46.58340,-90.90305 +/-269m); p28__2 (tier 1, 46.57800,-90.90331 +/-100m); p29 (tier 2, 46.58557,-90.89933 +/-100m); p30 (tier 2, 46.58876,-90.89034 +/-188m); p31 (tier 1, 46.59846,-90.87981 +/-269m); p33__1 (tier 1, 46.59842,-90.85466 +/-151m); p33__2 (tier 1, 46.59919,-90.85584 +/-211m); p33__3 (tier 1, 46.59935,-90.85346 +/-106m); p33__4 (tier 1, 46.59822,-90.85591 +/-138m); p33__5 (tier 1, 46.59979,-90.85551 +/-100m); p34__1 (tier 1, 46.60888,-90.84591 +/-217m); p34__2 (tier 1, 46.60924,-90.84946 +/-234m); p35__1 (tier 1, 46.58015,-90.89566 +/-120m); p35__2 (tier 1, 46.58263,-90.88138 +/-150m); p35__3 (tier 1, 46.58088,-90.89525 +/-100m); p4__1 (tier 1, 46.59741,-90.87107 +/-214m); p4__2 (tier 1, 46.59569,-90.86672 +/-222m); p5 (tier 1, 46.59648,-90.87651 +/-266m); p9 (tier 1, 46.59397,-90.87897 +/-267m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.43"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.2,41.0 1453.3,54.2 1559.6,188.4 1515.2,311.0 1601.8,633.7 1594.5,1800.8 1552.8,1866.5 59.5,1875.5 57.2,41.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87503360707191,46.589230704137115]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87261680697891,46.586588202325885]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87713621464435,46.584608366708615]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87955301473735,46.587250868519845]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"407.2,1874.3 657.1,1748.4 657.3,1772.6 767.8,1775.7 1253.7,1775.8 1473.3,1773.2 1520.0,1772.5 1515.9,1233.3 1324.7,1232.5 1324.1,1179.8 1492.2,1179.8 1504.2,646.8 1515.1,646.6 1523.0,646.5 1417.0,104.6 1313.3,106.0 1313.2,95.5 1133.8,87.5 1100.9,57.7 1100.0,109.0 674.5,114.9 669.9,136.8 1.0,195.9 1.0,196.6 105.8,260.7 47.4,859.1 55.0,1816.0 100.9,1879.0 385.6,1859.4 407.2,1874.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88223543662595,46.59467395715588]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87991017970118,46.592095856417814]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88431982289974,46.590191176479856]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.8866450798245,46.59276927721792]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.28"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0013","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"461.5,1781.8 944.6,1776.6 1046.0,1769.7 1627.0,1710.1 1627.0,1662.7 1627.0,1636.6 1598.9,1618.7 1567.2,83.0 27.6,110.7 1.0,109.3 1.0,119.7 102.8,119.3 202.6,657.8 194.8,657.8 183.9,657.9 166.8,1186.5 1.0,1184.8 1.0,1237.1 189.7,1239.7 188.4,1774.5 213.4,1774.5 461.3,1773.4 461.5,1781.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88032793149948,46.592610630304776]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87794587600747,46.59002763042697]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88236371825256,46.58807634552333]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88474577374457,46.59065934540114]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.38"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"371.6,1757.3 373.2,1926.0 334.7,1926.0 325.9,1926.0 346.0,1842.3 276.4,1765.2 117.2,1750.8 162.0,1719.4 77.1,1666.6 40.2,1482.8 64.5,660.0 137.3,637.6 186.1,329.4 77.9,255.1 324.5,130.3 324.7,154.3 433.8,157.2 913.8,156.4 1130.5,153.6 1201.6,152.5 1448.4,148.6 1449.0,165.8 1459.9,1744.3 371.6,1757.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88546363619221,46.59255624364157]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88311499601546,46.58994312344014]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88758433006431,46.588019200445615]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88993297024106,46.59063232064704]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.07"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0017","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.7,1767.3 43.8,1754.8 42.7,205.9 42.4,197.2 514.4,189.5 613.5,182.3 1180.8,120.9 1180.4,49.1 1283.2,113.9 1600.7,122.3 1616.2,1699.5 1549.0,1832.2 1213.8,1812.6 837.6,1883.9 692.3,1825.6 687.7,1833.7 43.7,1767.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88333632935148,46.59034599901863]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88091931482987,46.58769307709056]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88545653483385,46.58571306191347]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88787354935546,46.588365983841534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.12"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0019","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1437.4,149.2 1601.5,148.9 1605.4,1207.7 1593.0,1207.5 1525.8,1845.9 1394.3,1770.3 212.9,1818.9 68.1,1760.0 54.0,279.9 114.3,145.6 558.3,98.1 1152.1,153.8 1390.4,91.2 1437.8,103.0 1437.4,149.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.89302526004077,46.58878407778551]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.8891644061344,46.590477241334504]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88626865778909,46.587314409583286]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.89012951169546,46.58562124603429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.17"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1579.4,90.5 1578.8,1.0 1577.9,1.0 1524.5,62.1 1281.8,20.9 992.2,68.8 442.5,22.5 51.5,58.0 86.5,1835.6 472.9,1847.9 850.3,1753.3 1083.9,1822.6 1546.7,1806.4 1579.6,1377.5 1580.0,1190.7 1581.5,932.7 1579.1,666.1 1579.4,90.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.86974316286505,46.60218688597702]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.86738943547287,46.599567377277886]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87187054713762,46.59763965321449]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.8742242745298,46.60025916191363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.41"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0021","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.1,446.4 95.1,113.9 885.4,109.2 1207.4,38.6 1526.8,75.9 1583.5,247.5 1624.0,1009.4 1623.4,1126.3 1602.3,1685.3 1546.5,1759.0 69.2,1750.8 48.1,446.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88646506233675,46.58426803751768]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88402096749223,46.5816460736624]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88850482454959,46.57964368847217]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.8909489193941,46.58226565232745]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0026","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.1,1872.2 35.2,1736.8 83.0,1103.9 51.5,38.0 1563.2,63.8 1625.8,775.3 1574.0,1839.3 903.7,1897.8 101.1,1872.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.89142382151864,46.582040095827544]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.88903439041611,46.57943864572042]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.89348306525045,46.577481000544324]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.89587249635298,46.580082450651446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0027","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.4,1839.7 62.5,82.4 1141.3,109.8 1512.5,43.2 1598.3,130.1 1590.3,1776.5 1524.7,1868.2 1493.8,1799.1 1297.2,1784.0 961.1,1781.3 347.8,1879.0 59.4,1839.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.8973268907986,46.586645216068035]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.89491852078433,46.58398002651327]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.89947628610166,46.58200690431394]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.90188465611593,46.58467209386871]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.36"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.9,1811.2 62.7,1551.5 63.8,1283.2 71.5,703.8 72.0,608.8 87.0,591.0 62.8,70.1 402.9,30.6 1019.9,116.8 1265.5,25.4 1480.8,34.7 1599.4,607.4 1599.4,1738.2 1535.8,1877.5 123.1,1864.8 56.2,1926.0 57.9,1811.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.86616226191126,46.600382052152135]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.863776333733,46.597800759245935]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.86819189198864,46.59584658329877]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.8705778201669,46.59842787620497]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.29"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0032","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1055.4,1739.2 712.0,1876.9 74.4,1853.9 51.1,1134.8 196.4,812.2 74.7,689.8 69.2,292.9 738.4,236.5 1261.9,43.2 1528.8,20.6 1548.7,1906.7 1055.4,1739.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87666786331053,46.59983464326462]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87549496667785,46.59848619610176]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87780165895919,46.597525560585595]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87897455559187,46.59887400774846]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1543.1,1780.5 641.2,1771.1 366.4,1772.8 279.3,1776.0 88.2,1775.2 77.3,1768.6 82.0,1743.9 90.8,1052.9 87.2,1051.5 105.8,80.7 944.4,40.3 1483.8,97.2 1504.5,145.1 1530.7,138.4 1548.7,690.0 1546.4,690.0 1556.4,1247.0 1534.0,1246.6 1557.8,1780.6 1543.1,1780.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[653.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.87867678707099,46.59596706669912]}},{"type":"Feature","properties":{"resourceCoords":[111.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.87947790381884,46.59681706728673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.49"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"208.8,1773.8 132.1,1773.7 106.9,1239.5 129.3,1239.6 117.9,682.3 120.1,682.2 100.8,130.3 474.8,32.1 1502.0,27.2 1596.8,79.2 1626.2,1301.2 1528.0,1788.4 1405.4,1873.3 1192.5,1806.0 228.9,1791.4 208.4,1823.3 208.8,1773.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87346637657217,46.59655601087544]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87108863732205,46.59398277959051]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87549008297093,46.592035168071085]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.87786782222105,46.59460839935601]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Wisconsin | 1901 | sanborn09486_005 p8","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:00:11Z","modified":"2026-10-19T05:00:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"352.6,1835.7 79.8,1713.0 44.6,489.3 105.8,146.1 116.5,152.4 303.1,151.2 319.7,150.5 388.2,147.2 656.6,142.7 1537.5,142.5 1627.0,142.4 1627.0,190.1 1627.0,190.8 1571.3,278.7 1570.0,1612.9 1627.0,1664.8 1627.0,1715.5 1212.6,1717.4 1208.0,1738.7 555.5,1790.0 352.6,1835.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094861901:09486_1901-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.8792995,46.597209]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.8768763,46.5945772]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.8814098,46.59260630000001]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.883833,46.5952381]}}]}}]}