{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04339_027.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Minneapolis, Minnesota | 1952 | key map | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144mm:g04339195202:04339_02_1952-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Minneapolis, Minnesota | 1952 | sanborn04339_027 p0","metadata":[{"label":"streets","value":"64"},{"label":"intersections","value":"279"}],"created":"2026-09-21T22:13:56Z","modified":"2026-09-21T22:13:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144mm:g04339195202:04339_02_1952-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144mm:g04339195202:04339_02_1952-0000","type":"ImageService3","width":1665,"height":2063},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2063.0 -0.0,0.0 1665.0,0.0 1665.0,2063.0 -0.0,2063.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144mm:g04339195202:04339_02_1952-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[686.0,1027.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3007377,44.9654444]}},{"type":"Feature","properties":{"resourceCoords":[515.2,644.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.3096075,44.9801713]}}]}}]}