Historical boundary of the Death Valley regional ground-water flow system by Harrill and Prudic (1998), for the Death Valley regional ground-water flow system study, Nevada and California

This digital data set is a historical definition of the extent (approximately 42,600 square-kilometers) and lateral boundary of the Death Valley regional ground-water flow system (modified from Harrill and others, 1988; and Harrill and Prudic, 1998). Harrill and others (1988) developed boundaries for the major ground-water flow systems in the Great Basin region of Nevada, Utah, and adjacent states using the boundaries of hydrographic areas. Harrill and Prudic (1998) refined the delineation of the Death Valley ground-water flow system by using a more accurate base map. The studies by Harrill and others (1988) and Harrill and Prudic (1998) served as historical references used to support development of the transient ground-water model of Death Valley regional ground-water flow system (DVRFS) completed in 2004 by the USGS (see "Larger Work Citation", Chapter A, pages 9-10, for details).