{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06551_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mchenry, North-Dakota | 1908 | 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":"4"},{"label":"placed","value":"4"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mchenry, North-Dakota | 1908 | sanborn06551_001 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.43"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T00:37:22Z","modified":"2026-10-18T00:37:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1385.1,1906.3 1385.5,1850.0 1533.3,1823.0 1556.5,1549.0 1581.2,1519.2 1546.3,1519.2 1550.7,1352.7 1536.8,1352.0 1589.5,888.3 1566.8,149.9 1159.2,125.8 1138.8,34.2 815.3,38.9 758.5,115.8 84.0,54.6 59.1,567.7 255.6,606.0 281.0,606.0 281.0,611.0 283.8,611.5 330.8,1856.3 1237.7,1877.1 1237.3,1926.0 1246.1,1904.8 1385.1,1906.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[644.0,578.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.591838,47.578123]}},{"type":"Feature","properties":{"resourceCoords":[1245.0,1518.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.590109,47.576328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mchenry, North-Dakota | 1908 | sanborn06551_001 p1 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2424.0"},{"label":"split_canvas_w","value":"1124.0"},{"label":"split_canvas_h","value":"868.0"}],"created":"2026-10-18T00:37:22Z","modified":"2026-10-18T00:37:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.1,749.7 221.9,794.1 253.8,793.9 266.2,648.7 3.5,636.2 1.0,773.0 1.0,795.3 34.0,795.1 71.1,749.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,606.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.58925315544829,47.57671007676926]}},{"type":"Feature","properties":{"resourceCoords":[281.0,606.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.58841867268119,47.576709316972114]}},{"type":"Feature","properties":{"resourceCoords":[281.0,823.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.58841954057658,47.57627365016323]}},{"type":"Feature","properties":{"resourceCoords":[0.0,823.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.58925402334368,47.57627440996038]}},{"type":"Feature","properties":{"resourceCoords":[234.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.588559,47.576332]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mchenry, North-Dakota | 1908 | sanborn06551_001 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.18"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3288.0"},{"label":"split_canvas_w","value":"1118.8"},{"label":"split_canvas_h","value":"2256.4"}],"created":"2026-10-18T00:37:22Z","modified":"2026-10-18T00:37:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.8,853.7 63.8,866.8 12.6,860.3 11.3,1347.7 248.3,1341.8 255.9,880.1 198.3,867.1 198.4,835.1 71.7,834.3 71.9,853.7 63.8,853.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[71.9,1350.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.590093,47.574501]}},{"type":"Feature","properties":{"resourceCoords":[71.9,859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.590097,47.575534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mchenry, North-Dakota | 1908 | sanborn06551_001 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.53"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5536.4"},{"label":"split_canvas_w","value":"1105.6"},{"label":"split_canvas_h","value":"2171.6"}],"created":"2026-10-18T00:37:22Z","modified":"2026-10-18T00:37:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"255.2,1430.2 152.1,1420.5 66.1,1420.1 12.7,1407.3 20.5,1911.2 256.6,1907.2 255.2,1430.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174mm:g065511908:06551_1908-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1384.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.59362019494809,47.57559077502123]}},{"type":"Feature","properties":{"resourceCoords":[276.4,1384.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.59280061219042,47.575597035007654]}},{"type":"Feature","properties":{"resourceCoords":[276.4,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.59278239503975,47.57450693272542]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.59360197779742,47.574500672739]}},{"type":"Feature","properties":{"resourceCoords":[66.1,1420.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.593423,47.57552]}}]}}]}