{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08843_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Eureka, Utah | 1898 | 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:gmd434m:g4344m:g4344em:g088431898:08843_1898-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, Utah | 1898 | sanborn08843_002 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-23T06:35:23Z","modified":"2026-09-23T06:35:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344em:g088431898:08843_1898-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344em:g088431898:08843_1898-0001","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:gmd434m:g4344m:g4344em:g088431898:08843_1898-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1076.1,281.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-112.122657,39.9546495]}},{"type":"Feature","properties":{"resourceCoords":[1364.9,330.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-112.1159413,39.9553779]}}]}}]}