{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn00059_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Heflin, Alabama | 1930 | 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"},{"label":"pages","value":"6"},{"label":"placed","value":"3"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 33.64905,-85.58572 +/-501m); p2 (tier 2, 33.64912,-85.58868 +/-100m); p5__2 (tier 1, 33.64700,-85.58437 +/-200m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heflin, Alabama | 1930 | sanborn00059_001 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T08:50:29Z","modified":"2026-09-23T08:50:29Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1363.7,7085.7 -0.0,7096.6 0.0,0.0 1905.1,0.0 2100.5,486.5 2780.1,0.0 3952.7,0.0 6452.0,5287.2 6452.0,7652.0 1369.7,7652.0 1363.7,7085.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2232.0,2976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5867492,33.6500499]}},{"type":"Feature","properties":{"resourceCoords":[2232.0,7088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5869234,33.6481191]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heflin, Alabama | 1930 | sanborn00059_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:50:29Z","modified":"2026-09-23T08:50:29Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2756.5,0.0 2754.1,442.9 3430.7,440.4 3432.2,719.4 5953.6,729.9 5957.5,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,0.0 2756.5,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.59127981578418,33.64880084393426]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.58394156869716,33.64836804711197]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.5845538259709,33.64107173092086]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.59189207305792,33.641504527743145]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Heflin, Alabama | 1930 | sanborn00059_001 p5 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T08:50:29Z","modified":"2026-09-23T08:50:29Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5258.2,7420.5 5471.9,7652.0 5645.6,7652.0 5910.3,7405.4 6140.5,7652.0 6452.0,7652.0 6452.0,3158.4 4050.0,3174.8 4071.2,0.0 0.0,0.0 -0.0,7153.5 -0.0,7652.0 1182.5,7652.0 1849.7,7035.7 2090.0,7138.8 2173.0,6737.0 2595.9,6346.5 5258.2,7420.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974hm:g3974hm_g000591930:00059_1930-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4104.0,6956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.58498,33.64993]}},{"type":"Feature","properties":{"resourceCoords":[3912.0,4572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5831216,33.651623]}}]}}]}