{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04246_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Albert Lea, Minnesota | 1910 | 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":"19"},{"label":"placed","value":"15"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef-snap 10, georef 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p5__2 (tier 1, 43.64912,-93.36436 +/-152m); p7__2 (tier 1, 43.64079,-93.36600 +/-100m); p8__2 (tier 1, 43.64967,-93.36482 +/-176m); p9__1 (tier 1, 43.64412,-93.37322 +/-104m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0010/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 | 1910 | sanborn04246_006 p10","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.2,1912.0 634.4,1912.0 668.5,1871.2 716.8,1882.0 953.9,1879.8 1001.4,1874.0 1322.4,1788.7 1385.2,1762.2 1481.5,1759.5 1482.8,1720.9 1479.7,1200.7 1475.0,955.4 1480.0,464.0 1481.8,253.1 1481.8,244.5 1481.3,207.4 1480.6,154.1 1378.2,114.5 1377.8,48.8 1210.6,49.7 1084.6,1.0 74.4,1.0 80.0,464.0 91.2,982.0 88.6,1216.1 86.4,1823.1 82.2,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1480.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.370034,43.646859]}},{"type":"Feature","properties":{"resourceCoords":[80.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3736483,43.6468553]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0011/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 | 1910 | sanborn04246_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1812.8 1570.1,1814.8 1586.3,263.7 1524.7,61.7 67.2,39.7 33.7,355.2 1.0,353.2 1.0,353.6 1.6,353.9 46.8,415.0 37.4,845.0 31.0,844.9 33.1,1348.5 29.6,1348.4 30.4,1866.2 274.3,1864.8 791.6,1868.8 865.0,1872.4 1032.5,1875.0 1032.2,1854.3 1612.0,1835.2 1612.0,1820.6 1612.0,1812.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1576.0,190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36563380700342,43.6430850537048]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,1358.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36866558601672,43.6430519992863]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0012/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 | 1910 | sanborn04246_006 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.7,142.1 104.8,239.0 80.6,368.8 73.2,470.6 51.6,471.4 44.0,1177.3 107.2,1222.3 114.2,1474.0 80.9,1868.0 118.2,1818.9 568.8,1889.8 1524.7,1875.0 1573.8,1431.2 1552.6,782.8 1530.2,782.5 1519.6,202.6 1517.5,202.6 1498.8,202.5 1503.9,35.1 1506.1,1.0 1407.9,1.0 1347.3,24.6 1025.7,100.4 978.4,104.8 742.7,100.3 694.9,88.2 660.0,127.8 111.0,112.2 108.7,142.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[978.0,1454.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.371284,43.641679]}},{"type":"Feature","properties":{"resourceCoords":[978.0,430.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.371363,43.643602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0013/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 | 1910 | sanborn04246_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1589.6,319.3 1550.0,1843.0 399.2,1866.3 356.1,1792.5 114.2,1797.1 108.6,1643.1 21.9,1539.5 24.8,660.2 107.7,463.3 111.2,155.6 852.9,25.0 1310.2,37.5 1313.6,252.2 1517.7,255.4 1583.0,245.2 1612.0,228.7 1612.0,320.4 1589.6,319.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1320.0,929.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37883054193153,43.65143851900235]}},{"type":"Feature","properties":{"resourceCoords":[1320.0,240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37707763982658,43.651453221303456]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0002__1/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 | 1910 | sanborn04246_006 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.88"},{"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":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.6,1616.4 89.5,1617.2 90.2,1743.8 681.4,1760.7 681.3,1742.0 1093.7,1900.8 1531.2,1853.6 1552.1,1501.8 1412.2,1455.3 1333.9,1456.8 1242.7,1416.6 1208.0,1401.2 1121.0,1362.9 1121.0,1362.9 1116.4,1357.0 1101.4,1004.5 1121.0,344.3 1121.0,343.6 1124.3,343.6 1365.3,340.9 1395.6,262.4 1489.0,264.1 1484.3,127.5 1134.3,19.9 1078.0,21.7 1078.3,39.5 666.8,25.8 666.8,43.6 286.4,46.5 126.5,53.5 47.4,93.5 47.0,503.2 114.4,741.7 112.2,1244.8 28.1,1516.5 53.6,1616.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[667.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3739623,43.6538054]}},{"type":"Feature","properties":{"resourceCoords":[667.0,220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3739991,43.6552316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0002__2/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 | 1910 | sanborn04246_006 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4484.0"},{"label":"split_canvas_y","value":"1358.4"},{"label":"split_canvas_w","value":"1968.0"},{"label":"split_canvas_h","value":"4468.8"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1536.7,1435.5 1535.0,1274.8 1544.8,893.1 1527.0,892.5 1554.3,480.1 1536.7,479.8 1536.7,423.3 1382.2,364.9 1207.1,420.9 1148.8,714.0 1163.0,1133.7 1313.8,1408.7 1515.8,1390.2 1536.7,1435.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1121.0,339.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.37263621435544,43.656412886253996]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,339.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.3725705394092,43.655488304933236]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1456.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.37545404788408,43.65537956801745]}},{"type":"Feature","properties":{"resourceCoords":[1121.0,1456.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.37551972283032,43.65630414933821]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0003__1/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 | 1910 | sanborn04246_006 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5505.6"},{"label":"split_canvas_w","value":"2370.4"},{"label":"split_canvas_h","value":"2146.4"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"572.7,1755.7 590.7,1755.0 587.9,1462.2 564.2,1463.1 562.0,1388.5 71.8,1400.5 73.5,1435.3 84.9,1867.9 326.2,1860.5 575.3,1845.0 572.7,1755.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.6,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37367733490746,43.64885994240494]}},{"type":"Feature","properties":{"resourceCoords":[100.9,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37364080502601,43.64971903272586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0003__2/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 | 1910 | sanborn04246_006 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"596.5,1791.2 795.3,1791.6 858.8,1780.8 886.8,1764.3 889.0,1853.6 1494.4,1873.0 1515.4,1882.3 1507.6,1571.2 1506.3,986.1 1500.8,478.9 1501.8,46.0 1038.0,50.9 553.2,73.8 551.8,47.2 291.6,61.2 278.4,98.0 254.8,98.2 260.9,146.4 111.7,559.1 130.3,558.7 125.7,1146.1 1.0,1149.4 1.0,1184.8 108.1,1155.0 129.8,1290.5 286.9,1304.5 322.8,1375.8 586.0,1376.4 587.5,1376.4 587.5,1376.4 594.0,1382.3 601.5,1582.2 590.3,1582.1 596.5,1791.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[578.0,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37388254535813,43.65149477259476]}},{"type":"Feature","properties":{"resourceCoords":[1492.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37257116500345,43.64976542999602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0004/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 | 1910 | sanborn04246_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.3,1344.3 80.7,1343.8 75.6,1840.7 1.0,1840.2 1.0,1912.0 341.3,1912.0 427.3,1842.6 528.8,1843.2 1019.0,1837.3 1528.8,1832.7 1533.6,1346.7 1533.1,860.1 1530.5,507.3 1576.0,427.7 1575.6,196.4 1431.6,44.0 398.3,32.9 1.0,80.8 1.0,105.1 37.2,118.4 49.8,381.9 22.9,383.2 43.1,874.4 45.3,1344.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1020.0,864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37004708022032,43.65064993241572]}},{"type":"Feature","properties":{"resourceCoords":[530.0,1348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37130576329417,43.649743385986426]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0005__1/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 | 1910 | sanborn04246_006 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"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":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.8,1112.4 1491.0,864.4 1502.9,395.3 1502.4,106.0 1517.5,68.5 1604.1,1.0 1493.5,1.0 1475.8,71.8 1061.9,107.6 805.0,29.2 505.4,50.8 463.1,1242.3 341.9,1378.0 156.4,1428.0 92.2,1570.7 106.5,1833.5 185.2,1878.0 533.4,1873.9 1013.6,1871.3 1493.2,1874.1 1488.3,1359.3 1487.8,1112.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1486.0,1370.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36740853638726,43.64885949860854]}},{"type":"Feature","properties":{"resourceCoords":[1014.0,387.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36483949943756,43.64975105743373]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0006/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 | 1910 | sanborn04246_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.7,163.4 30.8,287.1 113.8,1691.7 1.0,1737.1 1.0,1781.7 878.0,1736.3 1520.1,1724.5 1517.5,1257.1 1612.0,1257.8 1612.0,664.6 1522.0,663.8 1516.1,409.4 1518.1,163.3 1001.1,163.6 404.9,158.7 87.7,163.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[887.0,1241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3752808171278,43.64774234640302]}},{"type":"Feature","properties":{"resourceCoords":[1502.0,1241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37370472171467,43.64775171565218]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0007__1/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 | 1910 | sanborn04246_006 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"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":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"633.8,1574.2 684.0,1446.7 684.0,1353.0 684.0,1280.5 684.0,1280.5 684.0,1280.5 749.4,1280.5 789.4,1179.0 842.3,1178.5 879.2,1178.2 1097.3,1181.4 1585.7,1189.2 1581.0,671.9 1584.5,671.9 1578.5,168.6 1361.4,166.8 545.7,160.7 42.9,152.0 43.8,669.9 46.6,1176.0 50.8,1662.5 49.8,1763.3 168.8,1912.0 553.0,1912.0 554.4,1871.8 633.0,1708.3 633.8,1574.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36872672284413,43.64689106784882]}},{"type":"Feature","properties":{"resourceCoords":[75.0,678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.36874612403679,43.64878752666695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0007__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 | 1910 | sanborn04246_006 p7 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.72"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4408.0"},{"label":"split_canvas_y","value":"5122.0"},{"label":"split_canvas_w","value":"2044.0"},{"label":"split_canvas_h","value":"2530.0"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0007__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1180.6,1314.3 1144.8,1888.2 1575.4,1889.8 1508.5,1711.5 1524.9,1302.8 1180.6,1314.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0007__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1102.0,1280.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.36887950511444,43.63965225371691]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1280.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.36886274254029,43.64061273730943]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.36721788100343,43.64059771741304]}},{"type":"Feature","properties":{"resourceCoords":[1102.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.36723464357758,43.639637233820515]}},{"type":"Feature","properties":{"resourceCoords":[1547.0,1814.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.367476,43.640476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0008__1/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 | 1910 | sanborn04246_006 p8 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.88"},{"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":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1093.1,1362.5 1092.6,1359.1 1086.6,1359.2 1086.3,1312.2 1071.2,1200.0 1085.3,1156.1 1176.5,1044.1 1175.9,902.8 622.3,318.6 529.5,85.8 218.3,16.5 70.2,87.8 106.3,278.4 47.4,518.5 158.0,518.1 71.2,586.2 56.4,623.4 58.0,910.0 47.9,1374.5 45.7,1620.2 47.1,1864.7 542.2,1867.5 1345.3,1864.2 1565.4,1863.4 1566.5,1440.3 1520.8,1381.0 1519.3,1380.6 1093.1,1362.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.0,1865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3673928,43.6468833]}},{"type":"Feature","properties":{"resourceCoords":[58.0,910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3648619,43.6488267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0009__2/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 | 1910 | sanborn04246_006 p9 [2]","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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T21:28:21Z","modified":"2026-10-19T21:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1552.6,1580.0 1560.3,1460.7 1573.2,851.5 1579.8,616.7 1577.7,96.6 937.8,101.6 58.3,137.7 116.6,555.4 67.2,1257.7 145.0,1360.6 814.3,1619.7 864.6,1752.7 879.9,1759.2 979.6,1695.3 1498.6,1857.3 1498.5,1912.0 1520.3,1912.0 1526.7,1809.2 1549.8,1677.9 1552.6,1580.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144am:g042461910:04246_1910-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[948.0,701.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37523828493758,43.645708655902624]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.37369365707043,43.64685213668274]}}]}}]}