{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04246_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Albert Lea, Minnesota | 1926 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"26"},{"label":"placed","value":"19"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 11, georef 8"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"1 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p18__1 (tier 1, 43.65309,-93.38211 +/-100m); p18__2 (tier 1, 43.65391,-93.38103 +/-100m); p18__4 (tier 1, 43.65301,-93.38056 +/-100m); p18__5 (tier 1, 43.65391,-93.38084 +/-100m); p18__6 (tier 1, 43.65324,-93.38035 +/-100m); p18__7 (tier 1, 43.65345,-93.38115 +/-100m); p18__8 (tier 2, 43.65136,-93.37923 +/-266m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.37"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.1,637.5 132.9,412.4 84.0,411.5 135.7,73.6 149.2,143.5 412.5,131.3 595.5,33.5 988.8,67.0 1246.1,26.9 1319.0,126.2 1484.6,138.4 1516.2,229.4 1600.1,1055.4 1485.0,1404.5 1201.8,1602.8 1190.6,1733.9 1066.2,1729.9 853.7,1882.1 72.8,1856.7 70.3,1912.0 68.0,1883.0 75.7,1472.4 81.8,1310.9 107.4,874.8 125.1,637.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[794.0,424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3642766,43.6497722]}},{"type":"Feature","properties":{"resourceCoords":[68.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3661052,43.6468813]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1519.5,1639.4 1516.8,1739.8 1490.4,1912.0 1477.3,1912.0 1477.1,1858.4 648.0,1651.1 516.0,1544.8 301.4,1489.2 89.8,1255.2 74.1,860.9 279.2,604.2 235.5,139.7 886.3,129.7 886.3,124.6 1542.3,118.3 1545.6,651.6 1539.2,892.4 1527.2,1517.0 1519.5,1639.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[894.0,749.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37524758343027,43.64569077234833]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,642.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3736495784419,43.64590457563375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.0,1842.2 104.1,1235.3 108.9,1001.3 102.8,483.3 101.6,12.3 101.7,12.1 1505.5,22.9 1505.8,79.4 1506.6,277.4 1492.8,988.1 1547.0,987.9 1529.2,1912.0 1488.9,1912.0 1489.9,1827.5 1491.0,1803.5 1364.8,1806.4 1332.2,1819.8 1010.4,1902.1 962.9,1907.3 725.8,1907.2 677.5,1896.0 663.9,1912.0 92.0,1912.0 96.0,1842.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1514.0,493.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37000468656422,43.64686645509522]}},{"type":"Feature","properties":{"resourceCoords":[88.0,493.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37368626930387,43.64683681971254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1569.0,1789.3 1548.1,1507.3 1567.2,1511.8 1590.2,1373.7 1571.2,868.5 1577.5,85.3 1416.4,23.3 464.4,21.8 238.2,114.2 115.0,84.0 39.7,359.4 1.0,358.6 1.0,411.7 52.4,491.2 36.0,858.8 21.3,858.6 29.5,1368.0 1.0,1368.0 1.0,1837.5 931.1,1853.7 931.2,1894.2 1014.6,1895.1 1014.6,1890.5 1502.3,1880.8 1518.2,1790.6 1569.0,1789.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1562.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36735078960616,43.64306012674164]}},{"type":"Feature","properties":{"resourceCoords":[1562.0,183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36562459822949,43.64307166897672]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.5,126.9 92.0,226.1 63.0,395.9 50.0,396.7 37.6,1357.2 119.1,1551.3 117.6,1808.7 284.2,1880.7 1542.1,1880.1 1544.0,762.2 1612.0,759.0 1612.0,707.6 1521.2,689.2 1524.0,195.8 1519.3,195.8 1525.3,24.4 1527.0,1.0 1395.9,1.0 1365.0,12.8 1035.5,88.9 987.0,93.1 745.7,87.3 696.9,74.7 682.6,90.7 100.5,77.0 96.5,126.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[518.0,1456.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37245599352747,43.64168315747972]}},{"type":"Feature","properties":{"resourceCoords":[979.0,1456.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37128758879443,43.64171247097095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p15","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1515.8,80.2 1596.0,249.8 1581.5,1876.1 1213.5,1889.2 993.0,1829.4 315.6,1892.7 72.9,1847.5 13.2,338.6 76.3,64.0 216.2,86.5 727.7,64.8 1520.7,67.2 1515.8,80.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[214.0,771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.368676,43.6417442]}},{"type":"Feature","properties":{"resourceCoords":[1424.0,772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.365611,43.641752]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.1,1220.7 22.0,159.9 126.8,52.8 1420.2,54.4 1557.3,123.3 1581.9,935.0 1504.7,1108.5 1496.5,1451.7 1582.5,1526.8 1559.2,1891.6 47.4,1855.7 77.1,1220.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[908.0,780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36237964510637,43.64178000679964]}},{"type":"Feature","properties":{"resourceCoords":[908.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36242148872027,43.64305392888928]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p17","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"574.9,49.3 1073.8,101.1 1073.9,103.7 1612.0,138.7 1612.0,148.6 1581.5,149.6 1563.3,1879.0 295.3,1880.4 68.9,1804.7 72.0,119.0 102.0,53.4 574.5,16.1 574.9,49.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1094.0,1289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3799067,43.6488192]}},{"type":"Feature","properties":{"resourceCoords":[93.0,1289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3824529,43.6487998]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0018__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p18 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"1259.6"},{"label":"split_canvas_w","value":"3061.2"},{"label":"split_canvas_h","value":"2720.4"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0018__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"7.6,784.7 44.9,966.0 718.4,993.0 745.3,455.9 657.6,353.8 451.9,322.7 450.3,318.6 338.1,620.2 335.6,597.9 1.0,774.6 1.0,787.7 7.6,784.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0018__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[338.1,598.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3595039,43.6537497]}},{"type":"Feature","properties":{"resourceCoords":[338.1,931.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.359869,43.6531853]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0018__9/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p18 [9]","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":"3061.2"},{"label":"split_canvas_y","value":"5434.0"},{"label":"split_canvas_w","value":"3390.8"},{"label":"split_canvas_h","value":"2218.0"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0018__9/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1584.5,1555.4 1572.0,1555.5 1561.7,1409.5 1430.6,1376.5 1076.2,1453.3 857.0,1424.4 791.8,1425.6 815.2,1838.8 931.0,1893.2 1063.4,1882.6 1053.3,1845.5 1075.8,1833.4 1306.6,1846.1 1312.2,1873.8 1579.6,1880.0 1584.5,1555.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0018__9/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[765.3,1358.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.38266358878327,43.65405212542746]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1358.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.38050956231095,43.65409883954411]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.38046760227817,43.653071633372235]}},{"type":"Feature","properties":{"resourceCoords":[765.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.3826216287505,43.653024919255586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.8,1862.2 41.7,287.5 132.3,139.8 653.3,33.6 1440.6,41.5 1483.5,71.9 1499.9,57.0 1544.4,64.8 1595.1,934.4 1543.8,1642.4 1304.9,1872.9 1312.6,1851.1 921.8,1866.2 916.0,1878.3 40.8,1862.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[202.0,1577.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36230350898119,43.65423030185626]}},{"type":"Feature","properties":{"resourceCoords":[1575.0,1154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3588678013104,43.655023395469044]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p2","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1321.5,1860.3 1070.2,1862.6 545.9,1871.4 33.8,1882.0 35.0,1387.0 29.2,905.6 18.9,390.5 26.5,390.7 31.7,94.1 358.3,40.6 643.0,212.8 687.2,299.7 810.9,320.5 1377.8,330.6 1450.2,308.3 1456.9,235.6 1537.5,314.9 1512.0,772.9 1570.0,1019.1 1529.9,1376.1 1581.4,1375.0 1582.7,1611.7 1574.1,1861.6 1321.5,1860.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[539.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.368724,43.650661]}},{"type":"Feature","properties":{"resourceCoords":[35.0,1387.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.370027,43.649753]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.2,1738.2 32.5,1739.0 39.4,1020.5 36.6,820.4 35.4,735.7 36.6,173.8 551.2,167.9 1077.8,163.8 1330.4,163.8 1584.0,167.5 1571.5,628.4 1570.3,799.0 1575.6,1232.4 1579.0,1264.0 1572.3,1726.5 1520.5,1727.0 1439.5,1780.2 1070.3,1766.6 1070.3,1751.9 558.9,1764.1 558.6,1734.5 87.2,1738.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[52.0,697.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36999895504542,43.647866945869374]}},{"type":"Feature","properties":{"resourceCoords":[550.0,1733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36872315809599,43.64595334129518]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.9,1695.8 61.4,510.9 114.4,423.8 126.4,174.5 261.1,37.5 1369.3,36.2 1536.2,134.8 1535.7,1297.5 96.5,1749.5 75.9,1695.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,1307.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3739623,43.6538054]}},{"type":"Feature","properties":{"resourceCoords":[817.0,531.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3739991,43.6552316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1428.5,1882.8 612.3,1881.3 517.6,1835.3 353.6,1869.7 357.1,1601.6 29.2,1599.8 17.0,759.0 85.2,289.8 146.6,158.7 384.1,105.9 648.6,244.6 660.3,281.9 708.7,252.6 808.5,174.8 934.5,66.1 1000.8,44.6 1290.5,46.4 1292.1,261.0 1496.9,265.9 1562.5,256.1 1609.8,229.8 1598.2,385.6 1561.3,385.4 1572.5,861.4 1562.7,862.3 1522.5,1401.8 1519.9,1401.8 1463.2,1901.8 1429.9,1901.8 1428.5,1882.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1299.0,243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37706304963736,43.65145280520601]}},{"type":"Feature","properties":{"resourceCoords":[1299.0,1474.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.38018400944416,43.65140780146199]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"321.7,14.9 184.0,278.9 146.8,290.7 176.1,338.8 253.8,438.2 362.5,563.5 384.1,629.6 382.9,918.4 169.0,920.4 164.5,1124.5 174.4,1189.9 200.7,1237.0 45.4,1225.8 42.1,1790.1 20.6,1861.8 270.9,1863.2 376.2,1860.3 1212.3,1874.1 1480.7,1875.7 1509.8,1410.0 1487.1,1410.0 1487.3,911.4 1458.7,911.4 1444.1,546.3 1444.0,259.0 1365.3,259.2 1364.7,82.5 1531.0,1.0 1066.6,1.0 709.2,113.5 688.6,59.9 688.6,64.4 329.7,50.6 321.7,14.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[280.0,1412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3768043,43.6505638]}},{"type":"Feature","properties":{"resourceCoords":[1444.0,259.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3738961,43.6527239]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.6,704.5 77.6,991.3 90.7,1355.8 119.3,1355.8 117.2,1853.6 422.4,1854.3 575.8,1854.6 1059.0,1861.0 1570.0,1863.6 1574.8,1344.8 1582.5,1345.2 1595.9,1039.8 1506.5,137.5 1387.4,230.1 781.6,158.4 781.7,149.1 1.0,527.5 1.0,704.4 78.6,704.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[574.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37257090542379,43.650643045185]}},{"type":"Feature","properties":{"resourceCoords":[83.0,125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37391677002239,43.65379235873724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"166.1,1559.8 21.1,358.5 67.9,196.6 317.9,195.3 423.0,191.3 1258.1,196.2 1543.0,194.8 1541.3,442.4 1548.3,792.7 1542.9,1091.6 1544.0,1195.0 1543.5,1288.2 1546.5,1765.5 900.7,1778.0 900.7,1783.0 260.1,1799.0 166.1,1559.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[431.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37651239007424,43.64908461805147]}},{"type":"Feature","properties":{"resourceCoords":[1540.0,1272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37367411453457,43.647764894195845]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Albert Lea, Minnesota | 1926 | sanborn04246_008 p9","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:24:28Z","modified":"2026-10-20T01:24:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.5,1829.5 101.1,1735.9 98.9,1631.7 101.2,1330.5 90.4,977.8 89.7,728.4 72.5,728.6 92.0,259.8 376.6,253.3 531.2,249.8 1018.2,244.2 1533.0,234.0 1536.6,722.4 1533.0,1224.7 1534.4,1792.3 1534.9,1820.1 101.5,1829.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461926:04246_1926-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1533.0,234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3700323,43.6506467]}},{"type":"Feature","properties":{"resourceCoords":[1534.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3700419,43.6478545]}}]}}]}