{"slug": "usgs-3dep", "name": "USGS 3DEP Elevation", "tagline": "Lidar-based elevation for the United States, 1 m to 1/3 arc-second", "source": "USGS", "category": {"slug": "dem", "name": "DEM", "icon": "mountain", "tone": "slate"}, "meta": ["1 m", "Varies by project", "United States and territories"], "thumb": "/static/catalog/thumbs/usgs-3dep.e42c53448ab6.jpg", "bbox": [-180.0, 17.0, -64.0, 72.0], "global": false, "access": "api", "url": "/datasets/usgs-3dep/", "subtitle": "3D Elevation Program", "summary": "The national elevation baseline for the United States, collected mostly by airborne lidar. Seamless 1/3 arc-second DEMs cover the whole country; 1 m DEMs cover wherever lidar has been flown.", "categories": [{"slug": "dem", "name": "DEM", "icon": "mountain", "tone": "slate"}], "sources": [{"slug": "usgs", "name": "U.S. Geological Survey", "label": "USGS", "url": "https://www.usgs.gov/", "page": "/sources/usgs/"}], "facts": [["Source", "USGS"], ["Resolution", "1 m (lidar) to 10 m (1/3 arc-second)"], ["Time span", "Varies by project"], ["Temporal", "Static, updated by project"], ["Access type", "API (external)"], ["Formats", "GeoTIFF, LAZ point clouds"], ["Coverage", "United States and territories"]], "access_note": "The National Map API, no key", "coverage": "United States and territories", "license": {"name": "Public domain (U.S. Government work)", "url": "https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits"}, "citation": "", "doi": "", "landing_url": "https://www.usgs.gov/3d-elevation-program", "provider_url": "https://apps.nationalmap.gov/downloader/", "methods": [{"type": "api", "label": "1/3 arc-second DEM products in the area (The National Map API)"}, {"type": "api", "label": "1 m DEM products in the area (The National Map API)"}], "preview": {"type": "relief"}, "thumb_credit": "Relief rendered from AWS Terrain Tiles", "selection": [-123.0, 43.5, -121.0, 45.5], "selection_text": "-123,43.5,-121,45.5", "snippets": {"curl": "curl -fL \"https://tnmaccess.nationalmap.gov/api/v1/products?bbox=-123,43.5,-121,45.5&datasets=National%20Elevation%20Dataset%20(NED)%201/3%20arc-second&prodFormats=GeoTIFF&max=100\" \\\n  -o response", "python": "import requests\n\nr = requests.get(\"https://tnmaccess.nationalmap.gov/api/v1/products?bbox=-123,43.5,-121,45.5&datasets=National%20Elevation%20Dataset%20(NED)%201/3%20arc-second&prodFormats=GeoTIFF&max=100\")\nr.raise_for_status()\nopen(\"response\", \"wb\").write(r.content)", "javascript": "const res = await fetch(\"https://tnmaccess.nationalmap.gov/api/v1/products?bbox=-123,43.5,-121,45.5&datasets=National%20Elevation%20Dataset%20(NED)%201/3%20arc-second&prodFormats=GeoTIFF&max=100\");\nconsole.log(res.status, res.headers.get(\"content-type\"));"}, "api": {"links": "/api/v1/datasets/usgs-3dep/links?bbox=-123,43.5,-121,45.5", "manifest": "/api/v1/datasets/usgs-3dep/manifest?bbox=-123,43.5,-121,45.5"}}