{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn00092_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Sheffield, Alabama | 1903 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"12"},{"label":"placed","value":"2"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 34.76101,-87.70206 +/-353m); p1__2 (tier 4, 34.76101,-87.70206 +/-353m); p2 (tier 2, 34.76235,-87.69796 +/-100m); p3__1 (tier 4, 34.76101,-87.70206 +/-353m); p3__3 (tier 4, 34.76101,-87.70206 +/-353m); p3__4 (tier 4, 34.76101,-87.70206 +/-353m); p4__1 (tier 4, 34.76101,-87.70206 +/-353m); p4__2 (tier 4, 34.76101,-87.70206 +/-353m); p4__3 (tier 4, 34.76101,-87.70206 +/-353m); p4__4 (tier 4, 34.76101,-87.70206 +/-353m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000921903:00092_1903-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sheffield, Alabama | 1903 | sanborn00092_003 p1 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3040.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4611.6"}],"created":"2026-09-21T00:18:19Z","modified":"2026-09-21T00:18:19Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000921903:00092_1903-0001__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000921903:00092_1903-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7156.0 6452.0,4070.4 4533.2,4070.8 4494.0,3040.4 3920.8,3040.8 0.0,3043.2 0.0,6349.6 -0.0,7652.0 5887.2,7652.0 6452.0,7652.0 6452.0,7156.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000921903:00092_1903-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1820.0,3752.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.6997326,34.7636014]}},{"type":"Feature","properties":{"resourceCoords":[160.0,2288.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.700771,34.764364]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000921903:00092_1903-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sheffield, Alabama | 1903 | sanborn00092_003 p3 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4491.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T00:18:19Z","modified":"2026-09-21T00:18:19Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000921903:00092_1903-0003__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000921903:00092_1903-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1012.0,7652.0 2128.0,7652.0 4467.6,7652.0 4481.2,3145.2 4490.4,3145.2 4491.6,0.0 1864.4,0.0 1864.8,1691.6 0.0,1691.2 -0.0,7652.0 1012.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974sm:g3974sm_g000921903:00092_1903-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1355.9,3856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.7056443,34.7589179]}},{"type":"Feature","properties":{"resourceCoords":[3843.7,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.7056667,34.7607593]}}]}}]}