{"schema":1,"id":"ct-wall-street","title":"Wall Street","evidence_class":"derived","source":{"dataset_id":"USGS_LPC_UT_Southern_QL1_2018_LAS_2019","acquired":"2018-04-27 / 2018-07-29 project interval","published":"2019-06-03","credit":"Map services and data available from U.S. Geological Survey, National Geospatial Program.","rights":"US Government Public Domain","packet":"assets/landmark-collection/wall-street/profiles.json.gz","packet_sha256":"84eb2481895cc9802647e362f5f2255433ecb20f31b8d6de567d92880a8b765d","model":"assets/landmark-collection/wall-street/model.json","model_sha256":"71c9562aab60bf8d7e8ac4ec69af84b4d8af24b74818112b821049563e9c004b","support_mesh":"assets/landmark-collection/wall-street/small.glb.gz","support_mesh_sha256":"fe24bf65fc072910404c16afc4a0130f1cc0a2b1833624d9a03e1f88fa0c6026","grid_interval_m":2.5,"source_surface_cell_m":0.625,"height_encoding":"centimetres above base_m; encoding precision is not measurement accuracy","gap_policy":"Row edges from conservative accepted small-mesh topology; may omit extra edges near fine-grid gaps.","upstream_source_ids":["nps-navajo","nps-sunset"],"upstream_source_ledger":"assets/landmark-collection/sources.json"},"row":64,"direction":"west-to-east","width_m":320,"sample_interval_m":2.5,"north_offset_m":0,"surface_method":"upper-envelope","coordinates":{"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":2300,"center_utm":[397071.2696665937,4164427.2992813718],"bounds_utm":[396911.2696665937,4164267.2992813718,397231.2696665937,4164587.2992813718],"bounds_wgs84":[-112.16818527973027,37.61974020971908,-112.16451479025862,37.62265976393044],"vertical_exaggeration":1,"transform_note":"EPT projection transformed with pyproj; no claim of survey-grade datum alignment. Centimetre export quantization is not source accuracy."},"units":{"horizontal":"metres","vertical":"metres NAVD88 (Geoid12B), source heights retained"},"interpolation":"Linear within retained east-west segments only; no cross-row or gap interpolation.","points":[{"distance_m":0,"east_m":-160,"north_m":0,"elevation_m":2409},{"distance_m":2.5,"east_m":-157.5,"north_m":0,"elevation_m":2403.18},{"distance_m":5,"east_m":-155,"north_m":0,"elevation_m":2407.99},{"distance_m":7.5,"east_m":-152.5,"north_m":0,"elevation_m":2411.51},{"distance_m":10,"east_m":-150,"north_m":0,"elevation_m":2410.58},{"distance_m":12.5,"east_m":-147.5,"north_m":0,"elevation_m":2393.55},{"distance_m":15,"east_m":-145,"north_m":0,"elevation_m":2361.06},{"distance_m":17.5,"east_m":-142.5,"north_m":0,"elevation_m":2358.25},{"distance_m":20,"east_m":-140,"north_m":0,"elevation_m":2357.83},{"distance_m":22.5,"east_m":-137.5,"north_m":0,"elevation_m":2357.38},{"distance_m":25,"east_m":-135,"north_m":0,"elevation_m":2362.42},{"distance_m":27.5,"east_m":-132.5,"north_m":0,"elevation_m":2368.88},{"distance_m":30,"east_m":-130,"north_m":0,"elevation_m":2356.23},{"distance_m":32.5,"east_m":-127.5,"north_m":0,"elevation_m":2354.07},{"distance_m":35,"east_m":-125,"north_m":0,"elevation_m":2350.78},{"distance_m":37.5,"east_m":-122.5,"north_m":0,"elevation_m":2348.54},{"distance_m":40,"east_m":-120,"north_m":0,"elevation_m":2351.56},{"distance_m":42.5,"east_m":-117.5,"north_m":0,"elevation_m":2352.75},{"distance_m":45,"east_m":-115,"north_m":0,"elevation_m":2353.08},{"distance_m":47.5,"east_m":-112.5,"north_m":0,"elevation_m":2406.86},{"distance_m":50,"east_m":-110,"north_m":0,"elevation_m":2409.17},{"distance_m":52.5,"east_m":-107.5,"north_m":0,"elevation_m":2415.43},{"distance_m":55,"east_m":-105,"north_m":0,"elevation_m":2414.36},{"distance_m":57.5,"east_m":-102.5,"north_m":0,"elevation_m":2398.19},{"distance_m":60,"east_m":-100,"north_m":0,"elevation_m":2351.84},{"distance_m":62.5,"east_m":-97.5,"north_m":0,"elevation_m":2353.59},{"distance_m":65,"east_m":-95,"north_m":0,"elevation_m":2353.92},{"distance_m":67.5,"east_m":-92.5,"north_m":0,"elevation_m":2353.91},{"distance_m":70,"east_m":-90,"north_m":0,"elevation_m":2355.12},{"distance_m":72.5,"east_m":-87.5,"north_m":0,"elevation_m":2356.15},{"distance_m":75,"east_m":-85,"north_m":0,"elevation_m":2367.24},{"distance_m":77.5,"east_m":-82.5,"north_m":0,"elevation_m":2379.07},{"distance_m":80,"east_m":-80,"north_m":0,"elevation_m":2370.14},{"distance_m":82.5,"east_m":-77.5,"north_m":0,"elevation_m":2369.98},{"distance_m":85,"east_m":-75,"north_m":0,"elevation_m":2352.24},{"distance_m":87.5,"east_m":-72.5,"north_m":0,"elevation_m":2378.78},{"distance_m":90,"east_m":-70,"north_m":0,"elevation_m":2384.09},{"distance_m":92.5,"east_m":-67.5,"north_m":0,"elevation_m":2379.14},{"distance_m":95,"east_m":-65,"north_m":0,"elevation_m":2368.89},{"distance_m":97.5,"east_m":-62.5,"north_m":0,"elevation_m":2359.76},{"distance_m":100,"east_m":-60,"north_m":0,"elevation_m":2343.02},{"distance_m":102.5,"east_m":-57.5,"north_m":0,"elevation_m":2351.7},{"distance_m":105,"east_m":-55,"north_m":0,"elevation_m":2378.32},{"distance_m":107.5,"east_m":-52.5,"north_m":0,"elevation_m":2378.6},{"distance_m":110,"east_m":-50,"north_m":0,"elevation_m":2377.9},{"distance_m":112.5,"east_m":-47.5,"north_m":0,"elevation_m":2368.78},{"distance_m":115,"east_m":-45,"north_m":0,"elevation_m":2344.11},{"distance_m":117.5,"east_m":-42.5,"north_m":0,"elevation_m":2344.12},{"distance_m":120,"east_m":-40,"north_m":0,"elevation_m":2378.85},{"distance_m":122.5,"east_m":-37.5,"north_m":0,"elevation_m":2402.53},{"distance_m":125,"east_m":-35,"north_m":0,"elevation_m":2408.96},{"distance_m":127.5,"east_m":-32.5,"north_m":0,"elevation_m":2397.02},{"distance_m":130,"east_m":-30,"north_m":0,"elevation_m":2367.85},{"distance_m":132.5,"east_m":-27.5,"north_m":0,"elevation_m":2345.03},{"distance_m":135,"east_m":-25,"north_m":0,"elevation_m":2345.07},{"distance_m":137.5,"east_m":-22.5,"north_m":0,"elevation_m":2344.39},{"distance_m":140,"east_m":-20,"north_m":0,"elevation_m":2392.58},{"distance_m":142.5,"east_m":-17.5,"north_m":0,"elevation_m":2392.86},{"distance_m":145,"east_m":-15,"north_m":0,"elevation_m":2385.78},{"distance_m":147.5,"east_m":-12.5,"north_m":0,"elevation_m":2377.44},{"distance_m":150,"east_m":-10,"north_m":0,"elevation_m":2378.26},{"distance_m":152.5,"east_m":-7.5,"north_m":0,"elevation_m":2408.08},{"distance_m":155,"east_m":-5,"north_m":0,"elevation_m":2412.37},{"distance_m":157.5,"east_m":-2.5,"north_m":0,"elevation_m":2407.68},{"distance_m":160,"east_m":0,"north_m":0,"elevation_m":2384.24},{"distance_m":162.5,"east_m":2.5,"north_m":0,"elevation_m":2371.07},{"distance_m":165,"east_m":5,"north_m":0,"elevation_m":2376.97},{"distance_m":167.5,"east_m":7.5,"north_m":0,"elevation_m":2368.39},{"distance_m":170,"east_m":10,"north_m":0,"elevation_m":2352.66},{"distance_m":172.5,"east_m":12.5,"north_m":0,"elevation_m":2352.59},{"distance_m":175,"east_m":15,"north_m":0,"elevation_m":2358.26},{"distance_m":177.5,"east_m":17.5,"north_m":0,"elevation_m":2363.96},{"distance_m":180,"east_m":20,"north_m":0,"elevation_m":2377.15},{"distance_m":182.5,"east_m":22.5,"north_m":0,"elevation_m":2377.43},{"distance_m":185,"east_m":25,"north_m":0,"elevation_m":2367.64},{"distance_m":187.5,"east_m":27.5,"north_m":0,"elevation_m":2367.5},{"distance_m":190,"east_m":30,"north_m":0,"elevation_m":2348.52},{"distance_m":192.5,"east_m":32.5,"north_m":0,"elevation_m":2357.58},{"distance_m":195,"east_m":35,"north_m":0,"elevation_m":2389.85},{"distance_m":197.5,"east_m":37.5,"north_m":0,"elevation_m":2407.09},{"distance_m":200,"east_m":40,"north_m":0,"elevation_m":2413.1},{"distance_m":202.5,"east_m":42.5,"north_m":0,"elevation_m":2413.33},{"distance_m":205,"east_m":45,"north_m":0,"elevation_m":2409.99},{"distance_m":207.5,"east_m":47.5,"north_m":0,"elevation_m":2413.06},{"distance_m":210,"east_m":50,"north_m":0,"elevation_m":2388.76},{"distance_m":212.5,"east_m":52.5,"north_m":0,"elevation_m":2369.96},{"distance_m":215,"east_m":55,"north_m":0,"elevation_m":2398.83},{"distance_m":217.5,"east_m":57.5,"north_m":0,"elevation_m":2403.02},{"distance_m":220,"east_m":60,"north_m":0,"elevation_m":2390.74},{"distance_m":222.5,"east_m":62.5,"north_m":0,"elevation_m":2382.07},{"distance_m":225,"east_m":65,"north_m":0,"elevation_m":2405.78},{"distance_m":227.5,"east_m":67.5,"north_m":0,"elevation_m":2410.32},{"distance_m":230,"east_m":70,"north_m":0,"elevation_m":2394.68},{"distance_m":232.5,"east_m":72.5,"north_m":0,"elevation_m":2390.52},{"distance_m":235,"east_m":75,"north_m":0,"elevation_m":2387.59},{"distance_m":237.5,"east_m":77.5,"north_m":0,"elevation_m":2356.09},{"distance_m":240,"east_m":80,"north_m":0,"elevation_m":2369.68},{"distance_m":242.5,"east_m":82.5,"north_m":0,"elevation_m":2376.22},{"distance_m":245,"east_m":85,"north_m":0,"elevation_m":2387.02},{"distance_m":247.5,"east_m":87.5,"north_m":0,"elevation_m":2386.56},{"distance_m":250,"east_m":90,"north_m":0,"elevation_m":2370.33},{"distance_m":252.5,"east_m":92.5,"north_m":0,"elevation_m":2351.6},{"distance_m":255,"east_m":95,"north_m":0,"elevation_m":2372.6},{"distance_m":257.5,"east_m":97.5,"north_m":0,"elevation_m":2398.66},{"distance_m":260,"east_m":100,"north_m":0,"elevation_m":2394.3},{"distance_m":262.5,"east_m":102.5,"north_m":0,"elevation_m":2387.7},{"distance_m":265,"east_m":105,"north_m":0,"elevation_m":2384.67},{"distance_m":267.5,"east_m":107.5,"north_m":0,"elevation_m":2372.65},{"distance_m":270,"east_m":110,"north_m":0,"elevation_m":2357.58},{"distance_m":272.5,"east_m":112.5,"north_m":0,"elevation_m":2359.3},{"distance_m":275,"east_m":115,"north_m":0,"elevation_m":2386.47},{"distance_m":277.5,"east_m":117.5,"north_m":0,"elevation_m":2404.82},{"distance_m":280,"east_m":120,"north_m":0,"elevation_m":2411.57},{"distance_m":282.5,"east_m":122.5,"north_m":0,"elevation_m":2405.19},{"distance_m":285,"east_m":125,"north_m":0,"elevation_m":2388.9},{"distance_m":287.5,"east_m":127.5,"north_m":0,"elevation_m":2387.97},{"distance_m":290,"east_m":130,"north_m":0,"elevation_m":2393.65},{"distance_m":292.5,"east_m":132.5,"north_m":0,"elevation_m":2381.3},{"distance_m":295,"east_m":135,"north_m":0,"elevation_m":2380.97},{"distance_m":297.5,"east_m":137.5,"north_m":0,"elevation_m":2380.68},{"distance_m":300,"east_m":140,"north_m":0,"elevation_m":2375.56},{"distance_m":302.5,"east_m":142.5,"north_m":0,"elevation_m":2367.5},{"distance_m":305,"east_m":145,"north_m":0,"elevation_m":2351.39},{"distance_m":307.5,"east_m":147.5,"north_m":0,"elevation_m":2350.65},{"distance_m":310,"east_m":150,"north_m":0,"elevation_m":2374.79},{"distance_m":312.5,"east_m":152.5,"north_m":0,"elevation_m":2384.47},{"distance_m":315,"east_m":155,"north_m":0,"elevation_m":2397.03},{"distance_m":317.5,"east_m":157.5,"north_m":0,"elevation_m":2397.22},{"distance_m":320,"east_m":160,"north_m":0,"elevation_m":2386.43}],"segments_supported":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],"gap_mask":[],"statistics":{"min_m":2343.02,"max_m":2415.43,"relief_m":72.40999999999985,"retained_length_m":320,"retained_fraction":1,"gap_intervals":0},"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.","This is a topographic section, not stratigraphy, a safe route or surveyed trail ascent.","Coarse packet spacing cannot resolve every feature between nodes. No new ground scan is supplied."],"question":"How much of this short section is taken up by a steep change in height?","reading":"Compare its 320 m width with the broader northern studies at a shared scale. Airborne upper-envelope data can connect returns across steep faces, but cannot describe the hidden walls of the passage.","display":{"vertical_exaggeration":1,"datum":"relative"}}