1. Potential for ground-water contamination from movement of wastewater through the unsaturated zone, upper Mojave River Basin, California Author/Creator: Umari, Amjad M. J., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
2. Evaluation of the matrix exponential for use in ground-water-flow and solute-transport simulations : theoretical framework Author/Creator: Umari, Amjad M. J., author Publication/Creation: Albuquerque, New Mexico : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading