Nationwide elevation contours across all 48 contiguous United States, built on the USGS National Elevation Dataset (NED), ~10 m resolution as the standard platform baseline. Finer 3DEP (~3 m) and city-level (~1 m) datasets can be provisioned on request for specific areas of interest. Delivered as contours, modelled surface water flow directions and shaded relief terrain maps — and accessible directly by AI agents through our AI-native MCP tools, or by any application through a straightforward REST API.
Three complementary terrain layers, all derived from the same underlying USGS elevation data, available individually or combined via the API, the interactive map, or an AI agent connected over MCP.
Contour lines generated directly from USGS elevation data at a consistent ~10 m nationwide baseline — the standard resolution across the platform. Finer 3DEP-derived (~3 m) and city-level (~1 m) contours are not broadly available by default, but can be provisioned on request for specific sites or portfolios.
Overland flow direction and relative magnitude modelled from the underlying elevation surface, showing how rainfall runoff moves across a site or catchment — independent of, and complementary to, FEMA flood zone mapping and river-based flood studies.
Composite shaded relief (hillshade) layers and interactive 3-D terrain surfaces rendered from high-resolution elevation data, visualising slope, ridgelines and landform shape alongside contours, flow directions and satellite imagery.
Every layer on this page — contours, slope, flow direction, shaded relief and 3-D terrain — is available two ways: a conventional REST API for applications, and AI-native MCP tools so an AI agent can pull the same data straight into a conversation or workflow.
Direct, application-ready endpoints — no SDK required. Sub-30 ms responses regardless of underlying dataset size, via Cloud-Optimised GeoTIFF windowed reads.
Full reference: api.geospatialsystem.com/docs
Connect Claude or any MCP-compatible AI assistant directly to Geospatial System. Ask in plain English — the right tool is called automatically, no scripting required.
Tools include: LP_Get_Elevation, LP_Get_Elevation_Stats, LP_Get_Slope_Stats, LP_Get_Terrain_Map, LP_Get_Terrain_3D, list_datasets
Unlike patchwork LiDAR coverage in some regions, the USGS National Elevation Dataset provides a continuous ~10 m elevation surface across the entire CONUS — every state below has full baseline coverage today, as the standard platform resolution. Finer 3DEP (~3 m) and city-level (~1 m) datasets are not part of standard platform coverage but can be made available on request for a specific area of interest — contact us to discuss.