{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04311_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Houston, 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":"7"},{"label":"placed","value":"5"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 43.76223,-91.56822 +/-319m); p2__2 (tier 1, 43.76223,-91.56289 +/-149m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Minnesota | 1926 | sanborn04311_006 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1953.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5698.4"}],"created":"2026-10-20T00:23:56Z","modified":"2026-10-20T00:23:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.4,1010.1 73.2,1010.2 74.2,1360.3 81.0,1360.2 80.9,1912.0 261.9,1912.0 1511.7,1912.0 1458.1,1361.0 1501.3,1361.2 1457.2,779.6 1499.1,779.1 1510.2,520.6 627.8,507.9 272.2,567.9 120.9,522.3 25.6,607.8 54.4,1010.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1201.0,1360.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5674388,43.7632515]}},{"type":"Feature","properties":{"resourceCoords":[81.0,1360.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5703287,43.7632215]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Minnesota | 1926 | sanborn04311_006 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"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":"2026-10-20T00:23:56Z","modified":"2026-10-20T00:23:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1337.8,1864.5 1337.8,1891.3 1552.9,1850.7 1582.7,879.6 1530.7,72.7 1336.3,76.8 1225.3,269.4 1081.2,281.5 1034.7,489.5 315.4,478.1 185.1,477.1 173.7,733.2 132.0,733.6 175.1,1311.9 132.1,1311.7 185.1,1864.8 378.2,1864.5 434.0,1869.1 992.0,1863.0 1337.8,1864.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[992.0,735.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5645673,43.7643633]}},{"type":"Feature","properties":{"resourceCoords":[992.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.564521,43.762249]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Minnesota | 1926 | sanborn04311_006 p3 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3866.4"},{"label":"split_canvas_w","value":"3890.0"},{"label":"split_canvas_h","value":"3785.6"}],"created":"2026-10-20T00:23:56Z","modified":"2026-10-20T00:23:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,969.0 1.0,1137.5 5.6,1906.4 370.7,1897.8 370.5,1869.3 922.5,1869.0 919.7,1312.1 913.0,1312.2 910.1,966.6 891.7,966.6 893.0,984.3 1.0,969.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[365.8,1320.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5717764,43.7631963]}},{"type":"Feature","properties":{"resourceCoords":[922.5,1869.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.570308,43.76217]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Minnesota | 1926 | sanborn04311_006 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"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":"2026-10-20T00:23:56Z","modified":"2026-10-20T00:23:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"296.1,71.5 68.0,82.7 21.6,349.1 47.7,951.4 698.1,966.6 972.5,966.6 972.5,966.6 983.1,973.3 1029.0,1870.2 1570.9,1856.2 1582.0,1883.9 1594.8,1513.0 1580.0,1512.9 1573.6,1060.2 1580.4,1060.2 1585.5,571.6 1590.0,571.7 1577.2,49.6 1560.1,48.0 812.7,40.7 812.7,41.2 812.6,52.0 296.2,44.9 296.1,71.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[295.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5717538934568,43.762141502861716]}},{"type":"Feature","properties":{"resourceCoords":[1312.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.56891263074111,43.76218953853282]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Minnesota | 1926 | sanborn04311_006 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.51"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:23:56Z","modified":"2026-10-20T00:23:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.4,1487.1 37.0,1850.7 44.8,1869.7 332.6,1893.6 674.8,1793.8 976.0,1798.3 962.1,1850.5 1060.3,1858.5 1113.7,1793.8 1277.6,1783.1 1371.3,1647.0 1515.4,1649.1 1576.5,1060.5 1551.6,90.6 1612.0,79.1 1612.0,54.8 1297.2,53.7 789.3,59.8 738.5,55.6 562.8,56.0 562.4,52.0 1.0,51.8 1.0,51.9 16.8,53.2 33.7,564.7 29.4,564.7 28.4,1043.5 21.8,1043.6 31.9,1487.2 46.4,1487.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144hm:g043111926:04311_1926-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[281.0,566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.567397,43.761163]}},{"type":"Feature","properties":{"resourceCoords":[1297.0,566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5645,43.761194]}}]}}]}