{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04270_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Carlton, Minnesota | 1892 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"7"},{"label":"placed","value":"1"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p2__1 (tier 1, 46.66483,-92.42446 +/-271m); p2__2 (tier 1, 46.66422,-92.42375 +/-111m); p3__1 (tier 4, 46.66298,-92.42455 +/-100m); p3__2 (tier 4, 46.66298,-92.42455 +/-100m); p3__3 (tier 4, 46.66298,-92.42455 +/-100m); p3__4 (tier 4, 46.66298,-92.42455 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701892:04270_1892-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carlton, Minnesota | 1892 | sanborn04270_001 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:37:51Z","modified":"2026-10-22T13:37:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701892:04270_1892-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701892:04270_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1550.4,1855.7 648.2,1875.2 125.7,1805.7 31.3,1176.7 57.9,368.9 118.4,110.8 257.6,100.4 314.6,25.8 1415.4,24.0 1541.7,94.7 1522.5,227.2 1578.4,1113.9 1550.4,1855.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701892:04270_1892-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[251.0,1775.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.42671,46.6640346]}},{"type":"Feature","properties":{"resourceCoords":[617.0,1775.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4267312,46.6633618]}}]}}]}