Layers for the Klamath/Trinity web map. These layers include location of dams, polyline layer of Klamath/Trinity basin and transect breaks of Arcata U.S. Fish and Wildlife Service Fisheries and Aquati
Water Framework Directive (WFD) legislation requires the definition of both surface and groundwaters as a coherent set of hydrological units which could be monitored and managed. Certain parcels of...
Maps of trails, roads, and the Big Creek watershed in the Lucia/Big Creek area. Photocopies, originals, and traces of maps. Maps produced by Army Map Service and USGS. Eros Data Center computer printo
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National...
The Watershed and Subwatershed hydrologic unit boundaries provide a uniquely identified and uniform method of subdividing large drainage areas. The smaller sized 6th level sub-watersheds (up to 250,00
