{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09619_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Merrill, Wisconsin | 1902 | 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:gmd412m:g4124m:g4124mm:g096191902:09619_1902-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Merrill, Wisconsin | 1902 | sanborn09619_005 p1","metadata":[{"label":"streets","value":"65"},{"label":"intersections","value":"256"}],"created":"2026-09-23T11:13:50Z","modified":"2026-09-23T11:13:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096191902:09619_1902-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096191902:09619_1902-0001","type":"ImageService3","width":1602,"height":1887},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1602.0,1887.0 -0.0,1887.0 -0.0,0.0 1602.0,-0.0 1602.0,1887.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096191902:09619_1902-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[713.2,1707.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.72256,45.173817]}},{"type":"Feature","properties":{"resourceCoords":[416.1,240.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.6752354,45.1798418]}}]}}]}