{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01576_008.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Caldwell, Idaho | 1949 | key map | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274cm:g015761949:01576_1949-0001a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caldwell, Idaho | 1949 | sanborn01576_008 p1a","metadata":[{"label":"streets","value":"58"},{"label":"intersections","value":"180"}],"created":"2026-10-19T12:52:17Z","modified":"2026-10-19T12:52:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274cm:g015761949:01576_1949-0001a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274cm:g015761949:01576_1949-0001a","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 0.0,0.0 1613.0,0.0 1613.0,1913.0 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274cm:g015761949:01576_1949-0001a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[582.4,1199.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.68434,43.649854]}},{"type":"Feature","properties":{"resourceCoords":[635.2,499.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.6815893,43.6721658]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274cm:g015761949:01576_1949-0001b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caldwell, Idaho | 1949 | sanborn01576_008 p1b","metadata":[{"label":"streets","value":"55"},{"label":"intersections","value":"163"}],"created":"2026-10-19T12:52:17Z","modified":"2026-10-19T12:52:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274cm:g015761949:01576_1949-0001b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274cm:g015761949:01576_1949-0001b","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 0.0,0.0 1613.0,0.0 1613.0,1913.0 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274cm:g015761949:01576_1949-0001b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[542.7,612.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.685898,43.66881]}},{"type":"Feature","properties":{"resourceCoords":[636.7,1285.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.681934,43.647153]}}]}}]}