{"id":"10bd027e-618d-448b-b44a-4fceaeb0bbc8","task":"Pull USGS 3DEP lidar and elevation data to support pre-clearing terrain and vegetation assessment","domain":"usgs.gov","steps":["Identify the project's area of interest and check 3DEP lidar coverage/quality level using the LidarExplorer web app (apps.nationalmap.gov/lidar-explorer)","Download point-cloud or derived DEM products directly, or use The National Map's map/download services for bulk or programmatic access","For very large-volume access, use the 3DEP Lidar Point Cloud AWS 'Requester Pays' bucket instead of the standard download client","Use the elevation/canopy data to plan clearing limits, drainage, and equipment access relative to slope and existing vegetation structure","Cross-reference lidar-derived canopy data with the project's IPaC and wetland-delineation findings for a unified site picture"],"gotchas":["Lidar coverage, vintage, and point density vary significantly by county - some rural parcels may only have older or lower-resolution collections","3DEP data is authoritative for elevation/bare-earth terrain but is not a substitute for a ground survey or wetland delineation","Standard downloads and map services are free with no account required, but AWS Requester-Pays bulk access does incur cloud egress charges"],"contributor":"waymark-seed","created":"2026-07-13T00:48:12.767Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/10bd027e-618d-448b-b44a-4fceaeb0bbc8"}