{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04250_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Anoka, Minnesota | 1925 | 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":"29"},{"label":"placed","value":"19"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef-snap 13, georef 6"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 21 panels"},{"label":"unplaced pages","value":"p10__2 (tier 2, 45.20454,-93.37923 +/-100m); p12__1 (tier 1, 45.21331,-93.39319 +/-132m); p12__2 (tier 1, 45.20128,-93.38777 +/-115m); p13__1 (tier 1, 45.19681,-93.38938 +/-217m); p14 (tier 3, 45.21461,-93.38506 +/-544m); p15 (tier 1, 45.20923,-93.39148 +/-258m); p18__1 (tier 3, 45.19123,-93.39623 +/-544m); p18__2 (tier 3, 45.19123,-93.39623 +/-544m); p18__3 (tier 3, 45.19123,-93.39623 +/-544m); p9__2 (tier 1, 45.20504,-93.38033 +/-109m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p10 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.6,811.7 169.4,811.4 142.1,1849.9 648.5,1839.0 649.3,1856.2 806.8,1804.7 764.6,1799.3 757.0,1414.6 797.0,1175.1 877.7,1167.4 882.2,1167.4 1048.6,1165.6 1073.9,1094.7 1565.5,1139.1 1591.3,340.2 1498.2,98.7 1357.1,69.0 1344.8,111.5 1121.1,120.0 795.4,20.3 188.4,71.2 110.9,123.8 144.8,300.4 161.0,303.6 181.6,811.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1565.0,302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37570499793907,45.20650542696734]}},{"type":"Feature","properties":{"resourceCoords":[652.0,302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37820241887067,45.20657186155546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p11 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3868.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3783.2"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1510.1,1894.5 1580.8,1489.6 1514.8,967.2 1431.2,967.2 1430.3,1025.2 1031.9,1018.2 41.1,994.9 34.1,1728.0 31.6,1860.5 47.5,1833.6 120.2,1901.2 342.8,1912.0 641.4,1912.0 776.9,1911.9 1022.1,1805.2 1339.1,1832.5 1452.8,1891.7 1510.1,1894.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[734.0,1709.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38538634716423,45.19544105743771]}},{"type":"Feature","properties":{"resourceCoords":[1424.0,1709.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3835964651926,45.195461544234206]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p11 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3868.8"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1464.5,940.4 1465.4,808.0 1464.0,76.0 580.9,66.7 131.6,63.9 127.4,931.8 647.5,961.0 1450.3,964.8 1464.5,940.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[128.0,757.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.390678,45.1954671]}},{"type":"Feature","properties":{"resourceCoords":[1464.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3872139,45.1967262]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0012__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p12 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2134.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5517.6"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0012__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1418.7,1469.6 1424.2,1103.5 1421.7,1103.4 1372.6,543.5 877.2,556.5 696.6,620.9 403.4,1011.0 338.0,1145.0 302.7,1145.0 225.9,1247.2 131.3,1513.8 116.0,1852.8 1.0,1839.7 1.0,1912.0 21.2,1912.0 590.1,1816.2 590.0,1842.0 631.9,1844.8 1014.6,1841.9 1421.0,1842.0 1418.7,1469.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0012__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[590.0,1842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3893887,45.2000582]}},{"type":"Feature","properties":{"resourceCoords":[1421.0,1842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.387184,45.2000624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p13 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2112.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4340.0"},{"label":"split_canvas_h","value":"2378.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"664.4,69.5 608.0,68.8 626.0,77.3 573.7,152.7 574.5,192.1 629.0,571.4 1448.0,539.8 1488.3,386.4 1424.8,118.8 662.4,83.8 664.4,69.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[582.0,560.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3836096,45.1942167]}},{"type":"Feature","properties":{"resourceCoords":[1472.1,79.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3812339,45.1950761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0013__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p13 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.62"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3268.8"},{"label":"split_canvas_y","value":"2378.0"},{"label":"split_canvas_w","value":"3183.2"},{"label":"split_canvas_h","value":"5274.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0013__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1513.5,616.6 1513.6,594.5 1462.0,594.5 1463.6,632.4 1028.7,654.6 859.1,831.6 925.7,1347.5 852.0,1568.7 889.0,1848.7 1518.3,1880.8 1518.0,1012.4 1513.5,616.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0013__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1518.0,1012.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3906774,45.1967368]}},{"type":"Feature","properties":{"resourceCoords":[1518.0,1706.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.390678,45.1954671]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"760.7,1901.1 761.0,1886.5 1612.0,1830.3 1612.0,710.2 1507.1,696.6 1502.7,524.7 1383.7,492.7 1394.8,291.1 1477.5,262.7 1391.4,59.4 100.5,48.1 58.6,160.6 38.2,183.1 1.0,219.8 1.0,221.8 50.7,276.9 142.3,378.1 98.2,429.5 89.9,1127.2 81.0,1485.5 82.2,1886.3 740.4,1898.5 760.7,1901.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[448.0,1860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.39416768633407,45.197969145580934]}},{"type":"Feature","properties":{"resourceCoords":[1317.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.39200342044563,45.20044483683573]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p17 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"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":"2168.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"497.2,1878.3 486.9,1487.2 487.4,1137.5 479.8,456.4 521.6,405.3 429.9,308.6 376.2,251.9 415.6,217.3 434.9,194.9 473.3,84.2 121.4,89.3 44.6,731.5 57.1,1694.1 109.0,1839.7 328.1,1867.7 332.1,1881.5 497.2,1878.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[54.0,1092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.39625513042265,45.19936883743367]}},{"type":"Feature","properties":{"resourceCoords":[54.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.39626604995759,45.197950174993835]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0017__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p17 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2121.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4330.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0017__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"627.9,43.9 638.5,82.0 585.2,170.8 565.5,684.0 586.1,1696.0 637.4,1822.9 794.2,1876.5 1176.2,1880.0 1319.2,1799.5 1453.7,1837.9 1582.5,1682.8 1557.0,380.6 1476.1,216.2 1477.6,52.2 1457.2,49.8 797.4,43.2 627.9,43.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0017__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[530.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.39578690613243,45.19798376644148]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.39301985683672,45.19800182749592]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.39297490121251,45.194533269244076]}},{"type":"Feature","properties":{"resourceCoords":[530.4,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.39574195050822,45.194515208189635]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.0,1887.0 1493.0,1220.0 1493.7,830.5 1499.1,459.8 1511.1,71.7 1097.7,69.8 708.4,71.1 665.7,68.1 665.9,41.8 86.8,136.8 65.2,136.8 65.5,63.0 7.4,56.2 1.0,138.6 1.0,1077.8 196.2,1193.0 159.4,1280.7 157.4,1477.8 159.0,1872.0 606.9,1875.8 1487.0,1887.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[159.0,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3906774,45.1967368]}},{"type":"Feature","properties":{"resourceCoords":[1493.0,1220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3872104,45.197952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.2,1792.0 1497.4,1793.8 1497.9,1851.3 1103.1,1853.3 121.3,1852.4 118.4,1188.1 114.0,800.3 114.4,431.1 121.3,44.5 1489.4,43.6 1498.4,438.6 1501.5,799.5 1494.8,1202.6 1495.7,1608.3 1553.2,1611.0 1580.2,1792.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[813.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38540235861933,45.19672249505637]}},{"type":"Feature","properties":{"resourceCoords":[122.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38718233755306,45.20002640414597]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.8,1507.0 112.8,1104.3 99.2,744.1 78.7,350.0 73.9,35.1 154.8,33.1 1067.3,33.7 1415.2,33.0 1515.0,33.9 1534.2,525.4 1519.8,525.4 1544.2,1017.0 1546.8,1017.0 1549.3,1532.4 1532.7,1532.3 1520.6,1532.2 1531.5,1878.2 184.8,1894.5 187.9,1912.0 130.6,1912.0 117.8,1507.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1074.0,1027.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38105607092741,45.19873262453884]}},{"type":"Feature","properties":{"resourceCoords":[104.0,533.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38355166181502,45.19970843797633]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"116.2,1899.2 109.5,1523.3 110.8,1153.7 108.2,1153.7 52.1,589.0 54.6,588.9 43.3,137.6 108.9,61.3 513.3,48.4 525.4,108.9 525.7,60.0 526.0,52.1 784.6,67.2 784.7,75.4 1032.1,59.4 1032.0,65.2 1530.8,75.4 1530.8,81.4 1521.3,267.1 1482.5,606.0 1476.3,724.2 1480.5,1515.6 1482.6,1580.8 1478.9,1894.8 116.2,1899.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[794.0,1156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38538444350961,45.20142806994471]}},{"type":"Feature","properties":{"resourceCoords":[516.0,320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38609568779887,45.20298143651566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.5,1738.0 43.5,938.1 46.3,818.4 75.8,474.8 80.0,286.8 74.5,70.3 1065.3,66.5 1484.5,101.2 1478.8,312.8 1506.8,312.6 1539.9,811.1 1531.2,811.1 1542.3,1309.2 1536.2,1309.2 1543.7,1800.1 1427.0,1799.2 1076.2,1800.6 156.0,1801.7 74.5,1803.8 70.5,1738.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1074.0,1308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38093877232598,45.20146898846858]}},{"type":"Feature","properties":{"resourceCoords":[1074.0,815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38089085413307,45.20237154879123]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2689.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.3,348.9 101.2,349.6 117.9,846.9 109.2,846.7 104.1,1342.7 98.0,1342.5 89.6,1831.4 340.3,1841.6 612.9,1856.7 613.4,1834.1 586.1,1829.6 623.5,458.1 578.2,187.0 616.5,175.9 616.3,157.8 84.9,151.8 73.3,348.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[622.3,850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37836370480926,45.20233658871664]}},{"type":"Feature","properties":{"resourceCoords":[622.3,356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37835748238159,45.203245338323256]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p7 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2664.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3788.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"786.6,1892.1 1301.8,1884.8 1447.3,1872.0 1545.6,1766.0 1592.1,1450.3 1523.1,978.2 1572.0,341.1 1532.4,65.1 1302.8,34.6 1303.0,57.0 1031.5,51.0 766.0,49.0 786.3,540.1 771.9,540.1 797.3,1031.4 799.9,1031.4 803.5,1546.5 787.0,1546.4 774.9,1546.3 786.6,1892.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1303.0,1031.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3784974,45.1986856]}},{"type":"Feature","properties":{"resourceCoords":[1303.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3784009,45.2004849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"596.9,668.5 593.3,1181.5 284.9,1181.5 39.0,1221.9 64.2,1331.7 131.1,1351.8 152.1,1829.8 117.2,1872.1 437.1,1855.7 525.6,1851.1 532.9,1912.0 537.2,1912.0 539.1,1912.0 538.5,1862.5 538.5,1854.5 800.2,1864.7 800.5,1873.0 1050.2,1851.9 1050.2,1857.8 1554.5,1858.2 1550.9,1642.8 1552.5,1405.6 1556.5,1405.6 1560.2,917.1 1554.0,904.4 1561.6,724.5 1563.3,498.4 1552.4,491.6 1541.4,483.4 1564.0,483.6 1552.5,81.5 1507.2,38.6 498.4,38.0 426.6,99.0 125.8,137.0 54.1,205.3 49.7,566.3 118.6,660.0 227.9,620.1 264.6,668.5 472.6,668.5 596.9,668.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1046.0,1601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38472480749205,45.20391549484024]}},{"type":"Feature","properties":{"resourceCoords":[1547.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38337571095641,45.20503242482087]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p8 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.23"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2674.0"},{"label":"split_canvas_w","value":"2387.6"},{"label":"split_canvas_h","value":"2052.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"241.3,1180.5 375.3,1180.5 388.4,709.3 57.0,702.6 24.4,1032.5 81.8,1180.5 241.3,1180.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,668.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.38683497949069,45.20572886463868]}},{"type":"Feature","properties":{"resourceCoords":[596.9,668.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.3852788067901,45.20571996245215]}},{"type":"Feature","properties":{"resourceCoords":[596.9,1181.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.38528960885127,45.204769302003946]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1181.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.38684578155186,45.204778204190475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anoka, Minnesota | 1925 | sanborn04250_006 p9 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:53:09Z","modified":"2026-10-19T23:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.1,939.8 56.2,1121.2 62.7,1133.9 66.6,1626.0 62.5,1626.0 64.6,1865.0 64.8,1870.1 1062.4,1859.7 1484.7,1891.8 1506.5,804.1 1519.4,804.3 1494.2,265.8 1477.0,262.6 1439.9,75.6 1406.5,98.6 1315.3,50.6 917.0,105.3 929.0,379.4 849.0,685.0 849.0,690.5 847.5,690.5 846.5,694.8 60.3,707.1 48.2,705.4 59.3,712.1 61.1,939.5 61.1,939.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042501925:04250_1925-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[75.0,1612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38335953255405,45.204271519339265]}},{"type":"Feature","properties":{"resourceCoords":[1054.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38066287168108,45.206933908558774]}}]}}]}