{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09482_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Antigo, Wisconsin | 1909 | 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:gmd412m:g4124m:g4124am:g094821909:09482_1909-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Antigo, Wisconsin | 1909 | sanborn09482_005 p1","metadata":[{"label":"streets","value":"42"},{"label":"intersections","value":"183"}],"created":"2026-09-22T22:27:57Z","modified":"2026-09-22T22:27:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094821909:09482_1909-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094821909:09482_1909-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 0.0,0.0 1628.0,0.0 1628.0,1927.0 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124am:g094821909:09482_1909-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[803.2,173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.14802,45.1511549]}},{"type":"Feature","properties":{"resourceCoords":[1141.1,996.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.140532,45.13752]}}]}}]}