{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn00101_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Troy, Alabama | 1891 | 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"},{"label":"pages","value":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p2__2 (tier 4, 31.80729,-85.97165 +/-174m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011891:00101_1891-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1891 | sanborn00101_002 p1","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-22T11:38:02Z","modified":"2026-09-22T11:38:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011891:00101_1891-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011891:00101_1891-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2141.7,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,0.0 6452.0,7652.0 4857.5,7652.0 4864.0,7128.0 2165.4,7044.0 2141.7,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011891:00101_1891-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4864.0,3156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9706464,31.8091703]}},{"type":"Feature","properties":{"resourceCoords":[4864.0,7128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9706684,31.8072167]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011891:00101_1891-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1891 | sanborn00101_002 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"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":"2026-09-22T11:38:02Z","modified":"2026-09-22T11:38:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011891:00101_1891-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011891:00101_1891-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3017.2,7652.0 3020.4,7232.0 3049.6,5218.0 3586.0,4544.8 6423.8,4542.0 6394.7,1342.4 4864.0,1369.4 4861.3,866.2 2269.3,831.3 2256.8,1415.3 200.9,1451.6 175.3,0.0 -0.0,-0.0 -0.0,7652.0 3017.2,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011891:00101_1891-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3540.0,2124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9714851,31.806591]}},{"type":"Feature","properties":{"resourceCoords":[4868.0,2124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.970685,31.8065725]}}]}}]}