{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04329_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Litchfield, Minnesota | 1917 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043291917:04329_1917-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Litchfield, Minnesota | 1917 | sanborn04329_006 p1 [2]","metadata":[{"label":"streets","value":"31"},{"label":"intersections","value":"120"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"3800.9"}],"created":"2026-09-22T14:58:47Z","modified":"2026-09-22T14:58:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043291917:04329_1917-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043291917:04329_1917-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 1293.2,0.0 906.2,0.0 0.0,0.0 0.0,947.6 1613,950.2 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043291917:04329_1917-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[330.1,267.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.531036,45.131036]}},{"type":"Feature","properties":{"resourceCoords":[695.6,683.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.517869,45.119281]}}]}}]}