{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06538_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Grafton, North-Dakota | 1884 | 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":"3"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p2__2 (tier 4, 48.41991,-97.40992 +/-242m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grafton, North-Dakota | 1884 | sanborn06538_001 p1","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T13:38:22Z","modified":"2026-10-18T13:38:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"803.3,26.1 1387.2,23.9 1389.2,23.9 1427.7,572.4 1419.9,572.4 1468.7,1114.4 1452.8,1114.2 1486.5,1908.8 334.7,1878.6 129.8,1815.4 62.5,1670.5 41.5,1131.4 73.0,118.0 152.3,44.2 505.5,28.0 702.9,28.3 803.3,26.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[433.0,1111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.41265,48.418573]}},{"type":"Feature","properties":{"resourceCoords":[973.0,1111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.411144,48.418561]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grafton, North-Dakota | 1884 | sanborn06538_001 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"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":"2026-10-18T13:38:22Z","modified":"2026-10-18T13:38:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"187.0,577.4 179.3,577.5 230.4,1114.0 214.7,1113.8 252.2,1900.4 620.4,1908.2 979.5,1808.2 1089.5,1488.8 1507.9,1474.4 1576.0,816.5 1511.7,435.1 1579.4,174.1 1469.0,53.3 898.4,21.9 897.5,32.9 632.8,31.0 190.8,34.6 146.2,34.5 187.0,577.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1179.0,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4070897506806,48.41852807712237]}},{"type":"Feature","properties":{"resourceCoords":[1179.0,1654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.40711625877955,48.41750376207669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grafton, North-Dakota | 1884 | sanborn06538_001 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T13:38:22Z","modified":"2026-10-18T13:38:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1357.0,1791.2 906.1,1791.0 858.5,1790.5 268.6,1790.6 167.2,1792.5 45.2,1788.2 82.7,131.3 170.8,101.2 177.8,56.9 854.8,21.8 1576.7,67.2 1626.9,788.3 1576.0,1738.5 1598.5,1782.4 1627.0,1784.3 1627.0,1795.5 1357.0,1791.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065381884:06538_1884-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[428.0,1245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4111282,48.4215702]}},{"type":"Feature","properties":{"resourceCoords":[428.0,700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4111155,48.4225688]}}]}}]}