{"schema":1,"pack_id":"accessible-relief-atlas","sectors":[{"id":"sunset-point","name":"Sunset Point","subtitle":"Read the rim from above","context":"The Sunset sector places the plateau edge beside the upper amphitheater. Use the two centerlines to compare how the surface changes in different directions.","source_ids":["usgs-lidar","usgs-rights","usgs-native-crs","usgs-project-dates","nps-sunset"],"number":1,"width_m":512,"nodes":129,"spacing_m":4.0,"evidence_class":"derived","surface_method":"upper-envelope","surface_label":"Filtered upper surface","coordinate_system":{"native_horizontal":"NAD83(2011) / UTM 12N (EPSG:6341)","ept_horizontal":"WGS84 Pseudo-Mercator (EPSG:3857)","export_horizontal":"WGS84 / UTM 12N (EPSG:32612)","vertical":"NAVD88, Geoid12B; source heights retained","units":"metres","axes":"x east, y up from base_m, z south","base_m":2280,"center_utm":[397236.8758163566,4164613.8882139064],"bounds_utm":[396980.8758163566,4164357.8882139064,397492.8758163566,4164869.8882139064],"bounds_wgs84":[-112.16743649416726,37.620564366422215,-112.1615636850198,37.625235566108756],"vertical_exaggeration":1,"transform_note":"EPT projection transformed with pyproj; no claim of survey-grade datum alignment. Centimetre export quantization is not source accuracy."},"source_dataset":{"id":"USGS_LPC_UT_Southern_QL1_2018_LAS_2019","acquired":"2018-04-27 / 2018-07-29 project interval","published":"2019-06-03","url":"https://registry.opendata.aws/usgs-lidar/","license":"US Government Public Domain","credit":"Map services and data available from U.S. Geological Survey, National Geospatial Program."},"plot_range_m":[2290,2610],"sample_range_m":[2293.37,2458.21],"missing_nodes":0,"input_sha256":{"model":"1611a075d005845bbe150214b0b25add9b0debde730067df013d06500f9fcbbf","profiles":"67045cea0785a841d504cc32f23e34cda07c653b4ad513ac7451049d03767df7"},"source_limits":["Hidden rock surfaces, undercuts and windows are not reconstructed.","A vertical face is an interpolated connection between top-surface samples, not a wall scan.","Vegetation filtering can leave crowns or remove dark rock; inspect the return view.","NAIP is overhead imagery from a different year; it cannot supply photographic detail on vertical faces.","The cut boundary is an editorial crop; there is no modeled geology beneath it.","No route, current condition, erosion rate or collapse forecast is inferred."],"plan":"plates/sunset-point-plan.svg","sections":"plates/sunset-point-sections.svg","descriptions":{"we":"West to east through the crop center. 0 m: 2441 m elevation; 128 m: 2425 m elevation; 256 m: 2341 m elevation; 384 m: 2310 m elevation; 512 m: 2293 m elevation. Lowest supported sample: 2293 m at 512 m. Highest: 2447 m at 96 m.","sn":"South to north through the crop center. 0 m: 2345 m elevation; 128 m: 2353 m elevation; 256 m: 2341 m elevation; 384 m: 2339 m elevation; 512 m: 2376 m elevation. Lowest supported sample: 2329 m at 412 m. Highest: 2409 m at 152 m."},"orientation_zones":[{"region":"northwest","supported_samples":1849,"mean_elevation_m":2421.6},{"region":"north-center","supported_samples":1849,"mean_elevation_m":2348.61},{"region":"northeast","supported_samples":1849,"mean_elevation_m":2325.32},{"region":"west-center","supported_samples":1849,"mean_elevation_m":2427.57},{"region":"center","supported_samples":1849,"mean_elevation_m":2361.83},{"region":"east-center","supported_samples":1849,"mean_elevation_m":2318.95},{"region":"southwest","supported_samples":1849,"mean_elevation_m":2378.66},{"region":"south-center","supported_samples":1849,"mean_elevation_m":2370.71},{"region":"southeast","supported_samples":1849,"mean_elevation_m":2343.42}],"spatial_summary":"In this grid, supported heights span 2293 to 2458 m. Divide the plan into nine equal regions: the highest regional sample average is in the west-center (2428 m), and the lowest in the east-center (2319 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground.","scene_description":"Sunset Point. North is at the top, east at the right. A square 512 metres wide. Four patterns mark equal 80 metre elevation bands from 2290 to 2610 metres NAVD88. Thin lines connect interpolated equal heights at 20 metre intervals. The band positions differ between sectors; read their numbers. Solid A–A prime runs west to east across the center. Dashed B–B prime runs south to north through the center. The grid contains 0 unsupported nodes, shown as crosses in affected cells. This is filtered upper surface, derived from 2018 airborne lidar. Patterns do not identify rock layers or ground access. In this grid, supported heights span 2293 to 2458 m. Divide the plan into nine equal regions: the highest regional sample average is in the west-center (2428 m), and the lowest in the east-center (2319 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground."},{"id":"inspiration-point","name":"Inspiration Point","subtitle":"Follow a changing edge","context":"A square around the Inspiration sector includes both higher rim terrain and lower dissected slopes. The section lines are teaching transects, not paths between overlooks.","source_ids":["usgs-lidar","usgs-rights","usgs-native-crs","usgs-project-dates","nps-inspiration"],"number":2,"width_m":640,"nodes":129,"spacing_m":5.0,"evidence_class":"derived","surface_method":"upper-envelope","surface_label":"Filtered upper surface","coordinate_system":{"native_horizontal":"NAD83(2011) / UTM 12N (EPSG:6341)","ept_horizontal":"WGS84 Pseudo-Mercator (EPSG:3857)","export_horizontal":"WGS84 / UTM 12N (EPSG:32612)","vertical":"NAVD88, Geoid12B; source heights retained","units":"metres","axes":"x east, y up from base_m, z south","base_m":2270,"center_utm":[396995.14708244835,4163629.2765191034],"bounds_utm":[396675.14708244835,4163309.2765191034,397315.14708244835,4163949.2765191034],"bounds_wgs84":[-112.17077029612969,37.61108037311357,-112.1634299837259,37.61691952151751],"vertical_exaggeration":1,"transform_note":"EPT projection transformed with pyproj; no claim of survey-grade datum alignment. Centimetre export quantization is not source accuracy."},"source_dataset":{"id":"USGS_LPC_UT_Southern_QL1_2018_LAS_2019","acquired":"2018-04-27 / 2018-07-29 project interval","published":"2019-06-03","url":"https://registry.opendata.aws/usgs-lidar/","license":"US Government Public Domain","credit":"Map services and data available from U.S. Geological Survey, National Geospatial Program."},"plot_range_m":[2280,2600],"sample_range_m":[2285.1,2552.29],"missing_nodes":0,"input_sha256":{"model":"5f67b9a9ed17626237a114ba84e40a5d6e40166fa49e0e4ae451f017b82a2056","profiles":"92bf164373075f316ef7ea48ce08d47549455fdf78453dc4b8df60c159595174"},"source_limits":["Hidden rock surfaces, undercuts and windows are not reconstructed.","A vertical face is an interpolated connection between top-surface samples, not a wall scan.","Vegetation filtering can leave crowns or remove dark rock; inspect the return view.","NAIP is overhead imagery from a different year; it cannot supply photographic detail on vertical faces.","The cut boundary is an editorial crop; there is no modeled geology beneath it.","No route, current condition, erosion rate or collapse forecast is inferred."],"plan":"plates/inspiration-point-plan.svg","sections":"plates/inspiration-point-sections.svg","descriptions":{"we":"West to east through the crop center. 0 m: 2504 m elevation; 160 m: 2501 m elevation; 320 m: 2403 m elevation; 480 m: 2338 m elevation; 640 m: 2308 m elevation. Lowest supported sample: 2308 m at 640 m. Highest: 2522 m at 115 m.","sn":"South to north through the crop center. 0 m: 2402 m elevation; 160 m: 2372 m elevation; 320 m: 2403 m elevation; 480 m: 2343 m elevation; 640 m: 2322 m elevation. Lowest supported sample: 2321 m at 625 m. Highest: 2436 m at 345 m."},"orientation_zones":[{"region":"northwest","supported_samples":1849,"mean_elevation_m":2438.58},{"region":"north-center","supported_samples":1849,"mean_elevation_m":2354.98},{"region":"northeast","supported_samples":1849,"mean_elevation_m":2318.05},{"region":"west-center","supported_samples":1849,"mean_elevation_m":2498.25},{"region":"center","supported_samples":1849,"mean_elevation_m":2390.21},{"region":"east-center","supported_samples":1849,"mean_elevation_m":2331.61},{"region":"southwest","supported_samples":1849,"mean_elevation_m":2498.2},{"region":"south-center","supported_samples":1849,"mean_elevation_m":2383.92},{"region":"southeast","supported_samples":1849,"mean_elevation_m":2349.34}],"spatial_summary":"In this grid, supported heights span 2285 to 2552 m. Divide the plan into nine equal regions: the highest regional sample average is in the west-center (2498 m), and the lowest in the northeast (2318 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground.","scene_description":"Inspiration Point. North is at the top, east at the right. A square 640 metres wide. Four patterns mark equal 80 metre elevation bands from 2280 to 2600 metres NAVD88. Thin lines connect interpolated equal heights at 20 metre intervals. The band positions differ between sectors; read their numbers. Solid A–A prime runs west to east across the center. Dashed B–B prime runs south to north through the center. The grid contains 0 unsupported nodes, shown as crosses in affected cells. This is filtered upper surface, derived from 2018 airborne lidar. Patterns do not identify rock layers or ground access. In this grid, supported heights span 2285 to 2552 m. Divide the plan into nine equal regions: the highest regional sample average is in the west-center (2498 m), and the lowest in the northeast (2318 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground."},{"id":"bryce-point","name":"Bryce Point","subtitle":"A ridge has more than one side","context":"The Bryce Point sector sits at the southern end of the main amphitheater. The surface can describe the ridge above hidden spaces; it cannot reveal those spaces from within.","source_ids":["usgs-lidar","usgs-rights","usgs-native-crs","usgs-project-dates","nps-bryce"],"number":3,"width_m":640,"nodes":129,"spacing_m":5.0,"evidence_class":"derived","surface_method":"upper-envelope","surface_label":"Filtered upper surface","coordinate_system":{"native_horizontal":"NAD83(2011) / UTM 12N (EPSG:6341)","ept_horizontal":"WGS84 Pseudo-Mercator (EPSG:3857)","export_horizontal":"WGS84 / UTM 12N (EPSG:32612)","vertical":"NAVD88, Geoid12B; source heights retained","units":"metres","axes":"x east, y up from base_m, z south","base_m":2280,"center_utm":[397744.1889501401,4162809.934173444],"bounds_utm":[397424.1889501401,4162489.934173444,398064.1889501401,4163129.934173444],"bounds_wgs84":[-112.16216960898,37.6037806307382,-112.15483067077805,37.60961926386637],"vertical_exaggeration":1,"transform_note":"EPT projection transformed with pyproj; no claim of survey-grade datum alignment. Centimetre export quantization is not source accuracy."},"source_dataset":{"id":"USGS_LPC_UT_Southern_QL1_2018_LAS_2019","acquired":"2018-04-27 / 2018-07-29 project interval","published":"2019-06-03","url":"https://registry.opendata.aws/usgs-lidar/","license":"US Government Public Domain","credit":"Map services and data available from U.S. Geological Survey, National Geospatial Program."},"plot_range_m":[2290,2610],"sample_range_m":[2296.45,2553.86],"missing_nodes":0,"input_sha256":{"model":"7f3dea1180afde042bffb5755d68147e7ff6b77ab7c619efaef3e7880e7affff","profiles":"edb68d6a93a8832417a91db94bc06b60d721635292d6af49ac02ec032e78310c"},"source_limits":["Hidden rock surfaces, undercuts and windows are not reconstructed.","A vertical face is an interpolated connection between top-surface samples, not a wall scan.","Vegetation filtering can leave crowns or remove dark rock; inspect the return view.","NAIP is overhead imagery from a different year; it cannot supply photographic detail on vertical faces.","The cut boundary is an editorial crop; there is no modeled geology beneath it.","No route, current condition, erosion rate or collapse forecast is inferred."],"plan":"plates/bryce-point-plan.svg","sections":"plates/bryce-point-sections.svg","descriptions":{"we":"West to east through the crop center. 0 m: 2365 m elevation; 160 m: 2340 m elevation; 320 m: 2377 m elevation; 480 m: 2371 m elevation; 640 m: 2339 m elevation. Lowest supported sample: 2335 m at 190 m. Highest: 2418 m at 400 m.","sn":"South to north through the crop center. 0 m: 2515 m elevation; 160 m: 2454 m elevation; 320 m: 2377 m elevation; 480 m: 2333 m elevation; 640 m: 2298 m elevation. Lowest supported sample: 2298 m at 640 m. Highest: 2536 m at 40 m."},"orientation_zones":[{"region":"northwest","supported_samples":1849,"mean_elevation_m":2334.84},{"region":"north-center","supported_samples":1849,"mean_elevation_m":2330.3},{"region":"northeast","supported_samples":1849,"mean_elevation_m":2334.68},{"region":"west-center","supported_samples":1849,"mean_elevation_m":2361.44},{"region":"center","supported_samples":1849,"mean_elevation_m":2386.35},{"region":"east-center","supported_samples":1849,"mean_elevation_m":2363.4},{"region":"southwest","supported_samples":1849,"mean_elevation_m":2452.75},{"region":"south-center","supported_samples":1849,"mean_elevation_m":2474.78},{"region":"southeast","supported_samples":1849,"mean_elevation_m":2477.15}],"spatial_summary":"In this grid, supported heights span 2296 to 2554 m. Divide the plan into nine equal regions: the highest regional sample average is in the southeast (2477 m), and the lowest in the north-center (2330 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground.","scene_description":"Bryce Point. North is at the top, east at the right. A square 640 metres wide. Four patterns mark equal 80 metre elevation bands from 2290 to 2610 metres NAVD88. Thin lines connect interpolated equal heights at 20 metre intervals. The band positions differ between sectors; read their numbers. Solid A–A prime runs west to east across the center. Dashed B–B prime runs south to north through the center. The grid contains 0 unsupported nodes, shown as crosses in affected cells. This is filtered upper surface, derived from 2018 airborne lidar. Patterns do not identify rock layers or ground access. In this grid, supported heights span 2296 to 2554 m. Divide the plan into nine equal regions: the highest regional sample average is in the southeast (2477 m), and the lowest in the north-center (2330 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground."},{"id":"fairyland-point","name":"Fairyland Point","subtitle":"Find the shape of another bowl","context":"This northern sector samples the Fairyland landscape. Compare the low and high portions of each centerline before looking for the same relationship in the plan.","source_ids":["usgs-lidar","usgs-rights","usgs-native-crs","usgs-project-dates","nps-fairyland"],"number":4,"width_m":768,"nodes":129,"spacing_m":6.0,"evidence_class":"derived","surface_method":"upper-envelope","surface_label":"Filtered upper surface","coordinate_system":{"native_horizontal":"NAD83(2011) / UTM 12N (EPSG:6341)","ept_horizontal":"WGS84 Pseudo-Mercator (EPSG:3857)","export_horizontal":"WGS84 / UTM 12N (EPSG:32612)","vertical":"NAVD88, Geoid12B; source heights retained","units":"metres","axes":"x east, y up from base_m, z south","base_m":2230,"center_utm":[398923.5953702745,4167578.153981579],"bounds_utm":[398539.5953702745,4167194.153981579,399307.5953702745,4167962.153981579],"bounds_wgs84":[-112.15020559086409,37.646297181084925,-112.14139481285395,37.65330266678555],"vertical_exaggeration":1,"transform_note":"EPT projection transformed with pyproj; no claim of survey-grade datum alignment. Centimetre export quantization is not source accuracy."},"source_dataset":{"id":"USGS_LPC_UT_Southern_QL1_2018_LAS_2019","acquired":"2018-04-27 / 2018-07-29 project interval","published":"2019-06-03","url":"https://registry.opendata.aws/usgs-lidar/","license":"US Government Public Domain","credit":"Map services and data available from U.S. Geological Survey, National Geospatial Program."},"plot_range_m":[2240,2560],"sample_range_m":[2245.38,2394.16],"missing_nodes":0,"input_sha256":{"model":"7744365b0383a468209009f9934098c48a6078f8739947165863054d3cc3b106","profiles":"5bc51b5623155b0b6c1416e1e626a2751066d61a53edcc63173fcd35da372494"},"source_limits":["Hidden rock surfaces, undercuts and windows are not reconstructed.","A vertical face is an interpolated connection between top-surface samples, not a wall scan.","Vegetation filtering can leave crowns or remove dark rock; inspect the return view.","NAIP is overhead imagery from a different year; it cannot supply photographic detail on vertical faces.","The cut boundary is an editorial crop; there is no modeled geology beneath it.","No route, current condition, erosion rate or collapse forecast is inferred."],"plan":"plates/fairyland-point-plan.svg","sections":"plates/fairyland-point-sections.svg","descriptions":{"we":"West to east through the crop center. 0 m: 2367 m elevation; 192 m: 2367 m elevation; 384 m: 2363 m elevation; 576 m: 2309 m elevation; 768 m: 2297 m elevation. Lowest supported sample: 2287 m at 666 m. Highest: 2377 m at 336 m.","sn":"South to north through the crop center. 0 m: 2305 m elevation; 192 m: 2329 m elevation; 384 m: 2363 m elevation; 576 m: 2365 m elevation; 768 m: 2360 m elevation. Lowest supported sample: 2285 m at 96 m. Highest: 2370 m at 438 m."},"orientation_zones":[{"region":"northwest","supported_samples":1849,"mean_elevation_m":2358.36},{"region":"north-center","supported_samples":1849,"mean_elevation_m":2353.88},{"region":"northeast","supported_samples":1849,"mean_elevation_m":2303.86},{"region":"west-center","supported_samples":1849,"mean_elevation_m":2365.43},{"region":"center","supported_samples":1849,"mean_elevation_m":2351.46},{"region":"east-center","supported_samples":1849,"mean_elevation_m":2307.96},{"region":"southwest","supported_samples":1849,"mean_elevation_m":2369.13},{"region":"south-center","supported_samples":1849,"mean_elevation_m":2309.68},{"region":"southeast","supported_samples":1849,"mean_elevation_m":2289.15}],"spatial_summary":"In this grid, supported heights span 2245 to 2394 m. Divide the plan into nine equal regions: the highest regional sample average is in the southwest (2369 m), and the lowest in the southeast (2289 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground.","scene_description":"Fairyland Point. North is at the top, east at the right. A square 768 metres wide. Four patterns mark equal 80 metre elevation bands from 2240 to 2560 metres NAVD88. Thin lines connect interpolated equal heights at 20 metre intervals. The band positions differ between sectors; read their numbers. Solid A–A prime runs west to east across the center. Dashed B–B prime runs south to north through the center. The grid contains 0 unsupported nodes, shown as crosses in affected cells. This is filtered upper surface, derived from 2018 airborne lidar. Patterns do not identify rock layers or ground access. In this grid, supported heights span 2245 to 2394 m. Divide the plan into nine equal regions: the highest regional sample average is in the southwest (2369 m), and the lowest in the southeast (2289 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground."},{"id":"rainbow-point","name":"Rainbow & Yovimpa","subtitle":"Read the high southern rim","context":"This paired sector describes a local piece of the southern plateau. It does not include the distant Grand Staircase panorama. Here the source model uses classified ground, unlike the other five sectors.","source_ids":["usgs-lidar","usgs-rights","usgs-native-crs","usgs-project-dates","nps-rainbow","nps-yovimpa"],"number":5,"width_m":768,"nodes":129,"spacing_m":6.0,"evidence_class":"derived","surface_method":"classified-ground","surface_label":"Classified ground","coordinate_system":{"native_horizontal":"NAD83(2011) / UTM 12N (EPSG:6341)","ept_horizontal":"WGS84 Pseudo-Mercator (EPSG:3857)","export_horizontal":"WGS84 / UTM 12N (EPSG:32612)","vertical":"NAVD88, Geoid12B; source heights retained","units":"metres","axes":"x east, y up from base_m, z south","base_m":2550,"center_utm":[390374.04880132765,4148200.7053441294],"bounds_utm":[389990.04880132765,4147816.7053441294,390758.04880132765,4148584.7053441294],"bounds_wgs84":[-112.24419923581112,37.47069391012995,-112.23540116436341,37.477705939594316],"vertical_exaggeration":1,"transform_note":"EPT projection transformed with pyproj; no claim of survey-grade datum alignment. Centimetre export quantization is not source accuracy."},"source_dataset":{"id":"USGS_LPC_UT_Southern_QL1_2018_LAS_2019","acquired":"2018-04-27 / 2018-07-29 project interval","published":"2019-06-03","url":"https://registry.opendata.aws/usgs-lidar/","license":"US Government Public Domain","credit":"Map services and data available from U.S. Geological Survey, National Geospatial Program."},"plot_range_m":[2560,2880],"sample_range_m":[2567.17,2780.35],"missing_nodes":138,"input_sha256":{"model":"8e3f2621a6c77bceb6af1c52319749cd98b9ef4b8cbdf82ce1c3729d73fe4d14","profiles":"dafb41106721a425bc7d4122cd0738288666eb76e4066b108f720ebdf74f6c13"},"source_limits":["Hidden rock surfaces, undercuts and windows are not reconstructed.","A vertical face is an interpolated connection between top-surface samples, not a wall scan.","Vegetation filtering can leave crowns or remove dark rock; inspect the return view.","NAIP is overhead imagery from a different year; it cannot supply photographic detail on vertical faces.","The cut boundary is an editorial crop; there is no modeled geology beneath it.","No route, current condition, erosion rate or collapse forecast is inferred."],"plan":"plates/rainbow-point-plan.svg","sections":"plates/rainbow-point-sections.svg","descriptions":{"we":"West to east through the crop center. 0 m: 2731 m elevation; 192 m: 2769 m elevation; 384 m: 2777 m elevation; 576 m: 2747 m elevation; 768 m: 2716 m elevation. Lowest supported sample: 2716 m at 768 m. Highest: 2779 m at 330 m.","sn":"South to north through the crop center. 0 m: 2573 m elevation; 192 m: 2745 m elevation; 384 m: 2777 m elevation; 576 m: 2732 m elevation; 768 m: 2644 m elevation. Lowest supported sample: 2573 m at 0 m. Highest: 2779 m at 528 m."},"orientation_zones":[{"region":"northwest","supported_samples":1849,"mean_elevation_m":2722.8},{"region":"north-center","supported_samples":1826,"mean_elevation_m":2701.77},{"region":"northeast","supported_samples":1827,"mean_elevation_m":2659.47},{"region":"west-center","supported_samples":1849,"mean_elevation_m":2755.04},{"region":"center","supported_samples":1849,"mean_elevation_m":2771.93},{"region":"east-center","supported_samples":1849,"mean_elevation_m":2738.28},{"region":"southwest","supported_samples":1848,"mean_elevation_m":2711.89},{"region":"south-center","supported_samples":1761,"mean_elevation_m":2700.74},{"region":"southeast","supported_samples":1845,"mean_elevation_m":2729.57}],"spatial_summary":"In this grid, supported heights span 2567 to 2780 m. Divide the plan into nine equal regions: the highest regional sample average is in the center (2772 m), and the lowest in the northeast (2659 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground.","scene_description":"Rainbow & Yovimpa. North is at the top, east at the right. A square 768 metres wide. Four patterns mark equal 80 metre elevation bands from 2560 to 2880 metres NAVD88. Thin lines connect interpolated equal heights at 20 metre intervals. The band positions differ between sectors; read their numbers. Solid A–A prime runs west to east across the center. Dashed B–B prime runs south to north through the center. The grid contains 138 unsupported nodes, shown as crosses in affected cells. This is classified ground, derived from 2018 airborne lidar. Patterns do not identify rock layers or ground access. In this grid, supported heights span 2567 to 2780 m. Divide the plan into nine equal regions: the highest regional sample average is in the center (2772 m), and the lowest in the northeast (2659 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground."},{"id":"agua-canyon","name":"Agua Canyon","subtitle":"Separate height from appearance","context":"The Agua sector includes strong surface relief. A high patch is a part of the sampled surface; these diagrams do not assign individual hoodoo names or recover hidden rock faces.","source_ids":["usgs-lidar","usgs-rights","usgs-native-crs","usgs-project-dates","nps-agua"],"number":6,"width_m":512,"nodes":129,"spacing_m":4.0,"evidence_class":"derived","surface_method":"upper-envelope","surface_label":"Filtered upper surface","coordinate_system":{"native_horizontal":"NAD83(2011) / UTM 12N (EPSG:6341)","ept_horizontal":"WGS84 Pseudo-Mercator (EPSG:3857)","export_horizontal":"WGS84 / UTM 12N (EPSG:32612)","vertical":"NAVD88, Geoid12B; source heights retained","units":"metres","axes":"x east, y up from base_m, z south","base_m":2450,"center_utm":[388376.710147284,4152921.257143788],"bounds_utm":[388120.710147284,4152665.257143788,388632.710147284,4153177.257143788],"bounds_wgs84":[-112.26603516229656,37.514162060199126,-112.26016501592458,37.51883787300164],"vertical_exaggeration":1,"transform_note":"EPT projection transformed with pyproj; no claim of survey-grade datum alignment. Centimetre export quantization is not source accuracy."},"source_dataset":{"id":"USGS_LPC_UT_Southern_QL1_2018_LAS_2019","acquired":"2018-04-27 / 2018-07-29 project interval","published":"2019-06-03","url":"https://registry.opendata.aws/usgs-lidar/","license":"US Government Public Domain","credit":"Map services and data available from U.S. Geological Survey, National Geospatial Program."},"plot_range_m":[2460,2780],"sample_range_m":[2468.75,2730.97],"missing_nodes":0,"input_sha256":{"model":"89b1bead4898bc71ab54df35b2cd464681a9264b06eaf850ceaca53b8b5883e6","profiles":"0208ec5eede481926e1ecaba2f43df2d299c74bcf50d46f13a768d0fd6c750e6"},"source_limits":["Hidden rock surfaces, undercuts and windows are not reconstructed.","A vertical face is an interpolated connection between top-surface samples, not a wall scan.","Vegetation filtering can leave crowns or remove dark rock; inspect the return view.","NAIP is overhead imagery from a different year; it cannot supply photographic detail on vertical faces.","The cut boundary is an editorial crop; there is no modeled geology beneath it.","No route, current condition, erosion rate or collapse forecast is inferred."],"plan":"plates/agua-canyon-plan.svg","sections":"plates/agua-canyon-sections.svg","descriptions":{"we":"West to east through the crop center. 0 m: 2653 m elevation; 128 m: 2666 m elevation; 256 m: 2637 m elevation; 384 m: 2517 m elevation; 512 m: 2487 m elevation. Lowest supported sample: 2482 m at 504 m. Highest: 2682 m at 112 m.","sn":"South to north through the crop center. 0 m: 2604 m elevation; 128 m: 2644 m elevation; 256 m: 2637 m elevation; 384 m: 2617 m elevation; 512 m: 2720 m elevation. Lowest supported sample: 2522 m at 160 m. Highest: 2723 m at 492 m."},"orientation_zones":[{"region":"northwest","supported_samples":1849,"mean_elevation_m":2680.61},{"region":"north-center","supported_samples":1849,"mean_elevation_m":2660.06},{"region":"northeast","supported_samples":1849,"mean_elevation_m":2583.69},{"region":"west-center","supported_samples":1849,"mean_elevation_m":2664.57},{"region":"center","supported_samples":1849,"mean_elevation_m":2594.1},{"region":"east-center","supported_samples":1849,"mean_elevation_m":2503.37},{"region":"southwest","supported_samples":1849,"mean_elevation_m":2662.61},{"region":"south-center","supported_samples":1849,"mean_elevation_m":2609.51},{"region":"southeast","supported_samples":1849,"mean_elevation_m":2529.75}],"spatial_summary":"In this grid, supported heights span 2469 to 2731 m. Divide the plan into nine equal regions: the highest regional sample average is in the northwest (2681 m), and the lowest in the east-center (2503 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground.","scene_description":"Agua Canyon. North is at the top, east at the right. A square 512 metres wide. Four patterns mark equal 80 metre elevation bands from 2460 to 2780 metres NAVD88. Thin lines connect interpolated equal heights at 20 metre intervals. The band positions differ between sectors; read their numbers. Solid A–A prime runs west to east across the center. Dashed B–B prime runs south to north through the center. The grid contains 0 unsupported nodes, shown as crosses in affected cells. This is filtered upper surface, derived from 2018 airborne lidar. Patterns do not identify rock layers or ground access. In this grid, supported heights span 2469 to 2731 m. Divide the plan into nine equal regions: the highest regional sample average is in the northwest (2681 m), and the lowest in the east-center (2503 m). Region means omit unsupported nodes; they describe surface relief, not viewpoints or walkable ground."}]}