{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04092_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Manistique, Michigan | 1950 | key map | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g040921950:04092_1950-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Manistique, Michigan | 1950 | sanborn04092_007 p1","metadata":[{"label":"streets","value":"44"},{"label":"intersections","value":"88"}],"created":"2026-09-23T09:24:31Z","modified":"2026-09-23T09:24:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g040921950:04092_1950-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g040921950:04092_1950-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,1927.0 -0.0,1927.0 0.0,0.0 1628.0,0.0 1628.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g040921950:04092_1950-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[341.4,508.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.262616,45.961474]}},{"type":"Feature","properties":{"resourceCoords":[597.2,354.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.254196,45.9650642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g040921950:04092_1950-0001a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Manistique, Michigan | 1950 | sanborn04092_007 p1a","metadata":[{"label":"streets","value":"43"},{"label":"intersections","value":"82"}],"created":"2026-09-23T09:24:31Z","modified":"2026-09-23T09:24:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g040921950:04092_1950-0001a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g040921950:04092_1950-0001a","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.7 32.7,0.6 753.4,0.0 1628.0,0.0 1628.0,1927.0 -0.0,1926.6 -0.0,0.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g040921950:04092_1950-0001a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[301.4,508.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.263917,45.961477]}},{"type":"Feature","properties":{"resourceCoords":[854.0,413.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.245477,45.963766]}}]}}]}