{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08304_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dickson, Tennessee | 1894 | 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":"5"},{"label":"placed","value":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 36.07651,-87.38709 +/-196m); p2__2 (tier 2, 36.07636,-87.38742 +/-100m); p2__3 (tier 2, 36.07636,-87.38742 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964dm:g3964dm_g083041894:08304_1894-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dickson, Tennessee | 1894 | sanborn08304_001 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"2026-09-21T18:28:39Z","modified":"2026-09-21T18:28:39Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964dm:g3964dm_g083041894:08304_1894-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964dm:g3964dm_g083041894:08304_1894-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2928.0,7652.0 4012.0,7652.0 6452.0,7652.0 6452.0,2430.8 6452.0,0.0 -0.0,-0.0 0.0,6020.0 2022.4,6020.0 2022.0,7652.0 2928.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964dm:g3964dm_g083041894:08304_1894-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3192.0,2244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.3891946,36.0757539]}},{"type":"Feature","properties":{"resourceCoords":[284.0,4392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.389616,36.074086]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964dm:g3964dm_g083041894:08304_1894-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dickson, Tennessee | 1894 | sanborn08304_001 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5093.2"},{"label":"split_canvas_h","value":"4273.2"}],"created":"2026-09-21T18:28:39Z","modified":"2026-09-21T18:28:39Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964dm:g3964dm_g083041894:08304_1894-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964dm:g3964dm_g083041894:08304_1894-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 0.0,4005.2 1988.4,3996.4 1988.8,4273.2 4661.2,4272.0 5052.0,3133.2 5093.2,3012.4 5091.6,2758.0 5076.0,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964dm:g3964dm_g083041894:08304_1894-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.38756101913943,36.07773812018204]}},{"type":"Feature","properties":{"resourceCoords":[5093.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.3853796398102,36.079363980054865]}},{"type":"Feature","properties":{"resourceCoords":[5093.2,4273.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.38369105557476,36.077885630027524]}},{"type":"Feature","properties":{"resourceCoords":[0.0,4273.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.38587243490399,36.0762597701547]}},{"type":"Feature","properties":{"resourceCoords":[396.1,1252.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.3868965,36.0774313]}}]}}]}