The USGS National Hydrography Dataset (NHD) represents the water drainage network of the United States with features such as rivers, streams, canals, lakes, ponds, coastline, dams, and stream gages. The…
The USGS National Hydrography Dataset (NHD) represents the water drainage network of the United States with features such as rivers, streams, canals, lakes, ponds, coastline, dams, and stream gages. The…
USGS DEM (Digital elevation models) are arrays of regularly spaced elevation values referenced horizontally either to a Universal Transverse Mercator (UTM for 1-meter DEM) projection or to a geographic coordinate…