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I 19. 42/ 4 : 00- 4002 : Metals transport in the Sacramento River, California, 1996-1997 / Charles N. Alpers ... [and others] ; prepared in cooperation with the Sacramento Regional County Sanitation District, California State Water Resources Control Board, U.S. Environmental Protection Agency, U.S. Dept. of Commerce, National Marine Fisheries Service.
I 19. 42/ 4 : 00- 4090 : Regional water table (1998) and ground-water-level changes in the Mojave River and the Morongo ground-water basins, San Bernardino County, California / by Gregory A. Smith and M. Isabel Pimentel.