List Of Usgs.seamless References. Web elevation models produced from shuttle radar topography mission (srtm) data will be the most comprehensive, consistently processed, highest resolution topographic dataset. The usgs has developed a national inventory of significant topographic changes based on seamless multitemporal elevation data and land cover data.
This specification documents the requirements and standards used to produce the seamless. From gathering satellite imagery to extracting polar and glacial ice cores, we collect information. Type in an address or place name, enter coordinates or click the map to define your search area (for advanced map tools,.