{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08346_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Maryville, Tennessee | 1917 | 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://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g083461917:08346_1917-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Maryville, Tennessee | 1917 | sanborn08346_007 p1","metadata":[{"label":"streets","value":"48"},{"label":"intersections","value":"40"}],"created":"2026-09-23T23:08:30Z","modified":"2026-09-23T23:08:30Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g083461917:08346_1917-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g083461917:08346_1917-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3598.3,7652.0 -0.0,7652.0 0.0,0.0 6452.0,-0.0 6452.0,358.9 6452.0,3002.7 6452.0,3002.7 6452.0,7652.0 4138.1,7652.0 3657.1,7652.0 3598.3,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g083461917:08346_1917-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4373.4,3828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.9652323,35.7600601]}},{"type":"Feature","properties":{"resourceCoords":[3847.2,6501.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.9812821,35.7496464]}}]}}]}