{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn00013_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bay Minette, Alabama | 1927 | 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:gmd397m:g3974m:g3974bm:g3974bm_g000131927:00013_1927-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay Minette, Alabama | 1927 | sanborn00013_001 p1 [2]","metadata":[{"label":"streets","value":"26"},{"label":"intersections","value":"106"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"7364.5"},{"label":"split_canvas_h","value":"8532.7"}],"created":"2026-09-22T04:17:16Z","modified":"2026-09-22T04:17:16Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000131927:00013_1927-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000131927:00013_1927-0001/info.json","type":"ImageService2","height":8112,"width":6940},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"7364.5,8532.7 7364.5,0.0 0.0,0.0 0.0,3231.3 4319.2,3231.3 4319.6,8532.7 7364.5,8532.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000131927:00013_1927-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2324.3,338.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.7762887,30.8933718]}},{"type":"Feature","properties":{"resourceCoords":[1987.8,2149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.773171,30.880925]}}]}}]}