{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02726_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Luverne, Iowa | 1933 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"6"},{"label":"placed","value":"4"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__4 (tier 4, 42.91286,-94.08521 +/-601m); p1__6 (tier 4, 42.91286,-94.08521 +/-601m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Luverne, Iowa | 1933 | sanborn02726_002 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.35"},{"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":"2148.0"},{"label":"split_canvas_h","value":"2186.0"}],"created":"2026-10-18T01:18:06Z","modified":"2026-10-18T01:18:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"479.2,518.5 518.0,492.0 505.8,380.3 206.6,363.9 172.2,182.0 74.4,157.0 58.5,502.0 47.0,518.5 479.2,518.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[47.0,518.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.0844614,42.9110725]}},{"type":"Feature","properties":{"resourceCoords":[518.0,518.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.083127,42.9110624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Luverne, Iowa | 1933 | sanborn02726_002 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.51"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"782.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5669.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T01:18:06Z","modified":"2026-10-18T01:18:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1555.3,1864.3 1605.4,1041.2 1586.0,297.1 1489.8,57.7 1508.8,44.6 1037.7,47.6 1037.3,30.2 257.0,71.2 280.3,191.3 438.9,351.7 453.1,352.5 536.9,352.5 537.0,352.5 537.0,357.1 538.2,357.1 552.5,789.4 537.0,929.7 537.0,931.0 536.9,931.0 536.9,931.0 392.0,940.9 352.8,1140.0 242.2,1305.0 253.8,1352.0 265.5,1352.0 265.5,1352.0 265.5,1399.0 310.5,1580.3 509.7,1583.8 510.1,1583.8 510.2,1583.8 510.2,1584.0 516.2,1591.0 591.8,1873.3 1555.3,1864.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1051.2,1085.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.084471,42.909098]}},{"type":"Feature","properties":{"resourceCoords":[1565.0,563.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.083113,42.910075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Luverne, Iowa | 1933 | sanborn02726_002 p1 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.15"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2186.0"},{"label":"split_canvas_w","value":"1380.8"},{"label":"split_canvas_h","value":"3222.0"}],"created":"2026-10-18T01:18:06Z","modified":"2026-10-18T01:18:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.6,1064.3 101.5,1099.0 55.3,1138.9 56.0,1301.1 179.0,1293.8 164.3,1098.8 317.6,1049.5 287.9,582.8 55.0,623.5 55.0,699.2 94.0,959.7 59.6,1064.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[55.0,1081.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.085822,42.912099]}},{"type":"Feature","properties":{"resourceCoords":[55.0,573.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.085817,42.913082]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Luverne, Iowa | 1933 | sanborn02726_002 p1 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.35"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5408.0"},{"label":"split_canvas_w","value":"1062.0"},{"label":"split_canvas_h","value":"2244.0"}],"created":"2026-10-18T01:18:06Z","modified":"2026-10-18T01:18:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.1,1732.3 20.2,1892.3 249.3,1874.6 247.7,1498.5 261.8,1477.0 256.4,1358.3 19.8,1424.8 19.2,1466.7 49.4,1491.9 11.3,1536.3 57.1,1732.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027261933:02726_1933-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1352.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.08702593518584,42.918689734077326]}},{"type":"Feature","properties":{"resourceCoords":[265.5,1352.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.0863205735323,42.918696869158836]}},{"type":"Feature","properties":{"resourceCoords":[265.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.0862999313253,42.91761240025133]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.08700529297883,42.91760526516982]}},{"type":"Feature","properties":{"resourceCoords":[238.6,1873.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.086373,42.917689]}}]}}]}