{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08313_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gallatin, Tennessee | 1908 | 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://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964gm:g3964gm_g083131908:08313_1908-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gallatin, Tennessee | 1908 | sanborn08313_005 p1 [2]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"31"},{"label":"split_canvas_x","value":"1905.3"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4973.1"},{"label":"split_canvas_h","value":"4165.0"}],"created":"2026-09-22T09:21:07Z","modified":"2026-09-22T09:21:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964gm:g3964gm_g083131908:08313_1908-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964gm:g3964gm_g083131908:08313_1908-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6878.4,1573.1 6878.4,0.0 5752.7,0.0 4652.4,0.0 1905.3,0.0 1905.3,23.2 1906.8,3700.8 4752.3,3700.8 4752.9,4160.8 6878.4,4165.0 6878.4,1573.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964gm:g3964gm_g083131908:08313_1908-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3476.2,2164.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4456672,36.3863684]}},{"type":"Feature","properties":{"resourceCoords":[3476.2,1712.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4463967,36.3883238]}}]}}]}