{"schema":1,"verified_at":"2026-10-02","sources":[{"id":"usgs-lidar","url":"https://registry.opendata.aws/usgs-lidar/","title":"USGS 3DEP LiDAR Point Clouds","publisher":"USGS data; public Entwine organization maintained by Hobu","date":"2018 acquisition; LAS published 2019","retrieved_at":"2026-10-02","license":"US Government Public Domain","supports":"Lossless public EPT copy, independent measured returns, public-domain data rights. Only the anonymous usgs-lidar-public bucket was used; no requester-pays bucket."},{"id":"usgs-rights","url":"https://www.usgs.gov/faqs/what-are-terms-uselicensing-map-services-and-data-national-map","title":"Terms of Use/Licensing for The National Map","publisher":"US Geological Survey","date":null,"retrieved_at":"2026-10-02","license":"Public-domain data; attribution requested","supports":"USGS elevation reuse and originating-agency acknowledgment."},{"id":"usgs-native-crs","url":"https://s3-us-west-2.amazonaws.com/usgs-lidar-public/USGS_LPC_UT_Southern_QL1_2018_LAS_2019/ept-sources/1800.json","title":"Native LAS source metadata retained in the UT Southern QL1 EPT","publisher":"USGS LAS metadata via public Entwine copy","date":"2018 / 2019","retrieved_at":"2026-10-02","license":"US Government Public Domain","supports":"Native compound WKT specifies NAD83(2011) / UTM 12N and NAVD88 height, Geoid12B. The EPT itself declares EPSG:3857. Elevation is retained without a vertical conversion. Native metadata groups 1700 and 1800 cover all 15 original LAS tile IDs in these crops; both groups were checked in evidence/source-coordinate-check.json."},{"id":"usgs-project-dates","url":"https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/LPC/Projects/USGS_LPC_UT_Southern_QL1_2018_LAS_2019/metadata/USGS_LPC_UT_Southern_QL1_2018_12SUG9562_LAS_2019_meta.xml","title":"USGS Lidar Point Cloud UT Southern QL1 2018 12SUG9562 LAS 2019 metadata","publisher":"US Geological Survey","date":"2019-06-03","retrieved_at":"2026-10-02","license":"No access restrictions; USGS disclaimer and change disclosure apply","supports":"Project acquisition interval 2018-04-27 to 2018-07-29, publication date, source limitations. The generic XML horizontal reference is malformed (UTM zone 30); native LAS WKT and EPT metadata control coordinate interpretation instead."},{"id":"nps-sunset","url":"https://www.nps.gov/places/000/sunset-point.htm","title":"Sunset Point","publisher":"National Park Service","date":"2026-08-15","retrieved_at":"2026-10-02","license":"Paraphrased facts and link only; photograph credited NPS / Peter Densmore is not copied","supports":"Sunset sector, Thor’s Hammer below the viewpoint, Silent City to the south, Claron color interpretation."},{"id":"osm-locators","url":"https://www.openstreetmap.org/copyright","title":"OpenStreetMap data and copyright","publisher":"OpenStreetMap contributors","date":"API extracts retrieved 2026-10-02; frozen original locators retained","retrieved_at":"2026-10-02","license":"ODbL 1.0; attribution to OpenStreetMap contributors","supports":"Independent named-point locators used to choose editorial study bounds. Extracts retained in evidence/sources; public locator records list exact node URLs. The measured mesh itself is exclusively USGS-derived."},{"id":"nps-inspiration","url":"https://www.nps.gov/places/000/inspiration-point-viewpoint.htm","title":"Inspiration Point","publisher":"National Park Service","date":null,"retrieved_at":"2026-10-02","license":"Paraphrased facts and link only; no photograph copied","supports":"Multiple rim overlooks; Silent City rows south of Sunset; nearby upper White and lower Pink Member context. No member contacts are mapped by this model."},{"id":"nps-bryce","url":"https://www.nps.gov/places/000/bryce-point.htm","title":"Bryce Point","publisher":"National Park Service","date":"2024-10-10","retrieved_at":"2026-10-02","license":"Paraphrased facts and link only; photograph credited NPS / Peter Densmore is not copied","supports":"Southern viewpoint looking north; Grottos and Wall of Windows context; hidden interiors not resolved by airborne topography."},{"id":"nps-fairyland","url":"https://www.nps.gov/places/000/fairyland-point.htm","title":"Fairyland Point","publisher":"National Park Service","date":"2024-10-10","retrieved_at":"2026-10-02","license":"Paraphrased facts and link only; photograph credited NPS / Peter Densmore is not copied","supports":"Northern viewpoint, Fairyland Canyon and neighboring Boat Mesa/Campbell Canyon; differing erosional history, without numeric age or rate."},{"id":"nps-agua","url":"https://www.nps.gov/places/000/agua-canyon.htm","title":"Agua Canyon","publisher":"National Park Service","date":null,"retrieved_at":"2026-10-02","license":"Paraphrased facts and link only; photograph credited NPS / Peter Densmore is not copied","supports":"Agua Canyon identity and prominent Hunter/Rabbit hoodoos; individual hidden surfaces remain unresolved."},{"id":"nps-ponderosa","title":"Ponderosa Canyon","url":"https://www.nps.gov/places/000/ponderosa-canyon.htm","publisher":"National Park Service","date":null,"retrieved_at":"2026-10-02","license":"Facts paraphrased and linked. Photograph rights recorded separately per image.","supports":"Forest zones in relation to elevation and named overlook. Neither species nor geological contacts inferred from color."},{"id":"nps-pois","title":"NPS Public Points of Interest","url":"https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_POIs/FeatureServer/0","publisher":"National Park Service","date":"dataset records have individual dates","retrieved_at":"2026-10-02","license":"NPS public geospatial data; no endorsement; agency source and accuracy fields preserved","supports":"Mapped overlook positions; Hat Shop Hoodoos Viewpoint 9513. Accuracy is unknown, scaled or >=14 m for used records. Existing travel coordinates remain unchanged; similar names with different roles are not substituted."},{"id":"nps-rainbow","url":"https://www.nps.gov/places/000/rainbow-point.htm","title":"Rainbow Point","publisher":"National Park Service","date":"2026-08-15","retrieved_at":"2026-10-02","license":"Paraphrased facts and link only; photograph credited NPS / Peter Densmore is not copied","supports":"One of the highest viewpoints, northward view, undercut southern plateau cliffs; local crop does not show the entire distant view."},{"id":"nps-yovimpa","url":"https://www.nps.gov/places/000/yovimpa-point.htm","title":"Yovimpa Point","publisher":"National Park Service","date":"2024-10-10","retrieved_at":"2026-10-02","license":"Paraphrased facts and link only; photograph credited NPS / Peter Densmore is not copied","supports":"High southern overlook facing the Grand Staircase; paired exhibit studies its local ridge only."}],"verification_note":"NPS viewpoint pages, public lidar registry and OSM rights checked live. USGS rights page timed out; accepted rights record and live registry retained. No new media or lidar downloaded."}