{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn00230_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"De Valls Bluff, Arkansas | 1924 | 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":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 34.78510,-91.45715 +/-152m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd400m:g4004m:g4004dm:g002301924:00230_1924-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"De Valls Bluff, Arkansas | 1924 | sanborn00230_002 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"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":"2026-09-21T13:55:22Z","modified":"2026-09-21T13:55:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd400m:g4004m:g4004dm:g002301924:00230_1924-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd400m:g4004m:g4004dm:g002301924:00230_1924-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,4212.4 2995.6,4212.4 2996.0,0.0 -0.0,-0.0 -0.0,7478.9 696.4,7286.6 1760.0,7284.0 1753.1,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd400m:g4004m:g4004dm:g002301924:00230_1924-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1760.0,5788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.4581099,34.7857826]}},{"type":"Feature","properties":{"resourceCoords":[1760.0,7284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.4584343,34.7850848]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd400m:g4004m:g4004dm:g002301924:00230_1924-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"De Valls Bluff, Arkansas | 1924 | sanborn00230_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:55:22Z","modified":"2026-09-21T13:55:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd400m:g4004m:g4004dm:g002301924:00230_1924-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd400m:g4004m:g4004dm:g002301924:00230_1924-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,-0.0 6452.0,7652.0 -0.0,7652.0 44.8,6789.4 411.7,5690.4 786.4,5826.5 2418.9,975.2 -0.0,147.4 -0.0,0.0 6452.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd400m:g4004m:g4004dm:g002301924:00230_1924-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.45525365475378,34.78517653152401]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.45538812946937,34.782201730788636]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.45965370089027,34.782333642240964]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.45951922617468,34.78530844297634]}}]}}]}