{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08356_021.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Nashville, Tennessee | 1957 | key map | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964nm:g3964nm_g08356195702A:08356_02A_1957-0000a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nashville, Tennessee | 1957 | sanborn08356_021 p0a","metadata":[{"label":"streets","value":"131"},{"label":"intersections","value":"62"}],"created":"2026-10-18T17:59:29Z","modified":"2026-10-18T17:59:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964nm:g3964nm_g08356195702A:08356_02A_1957-0000a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964nm:g3964nm_g08356195702A:08356_02A_1957-0000a","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2010.0 0.0,0.0 1650.0,0.0 1650.0,2010.0 0.0,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964nm:g3964nm_g08356195702A:08356_02A_1957-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[990.0,953.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.7288923,36.0951075]}},{"type":"Feature","properties":{"resourceCoords":[553.5,1339.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.768754,36.0659013]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964nm:g3964nm_g08356195702A:08356_02A_1957-0000b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nashville, Tennessee | 1957 | sanborn08356_021 p0b","metadata":[{"label":"streets","value":"73"},{"label":"intersections","value":"27"}],"created":"2026-10-18T17:59:29Z","modified":"2026-10-18T17:59:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964nm:g3964nm_g08356195702A:08356_02A_1957-0000b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964nm:g3964nm_g08356195702A:08356_02A_1957-0000b","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2010.0 0.0,0.0 1650.0,0.0 1650.0,2010.0 0.0,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964nm:g3964nm_g08356195702A:08356_02A_1957-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[904.5,1015.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.6994444,36.1256524]}},{"type":"Feature","properties":{"resourceCoords":[1177.0,134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.681566,36.17531]}}]}}]}