Distribution of Nitrate in Ground Water, Redlands, California

Ground-water Quality Along the Mojave River Near Barstow, California, 1974-79

Sources of Arsenic in Streams Tributary to Lake Crowley, California

Ground-water Quality Along the Mojave River Near Barstow, California, 1974-79

Pesticide Residues in Agricultural Drains, Southeastern Desert Area, California

Ground-water Quality Along the Mojave River Near Barstow, California, 1974-79

Sources of Arsenic in Streams Tributary to Lake Crowley, California

Distribution of Dissolved Nitrate and Fluoride in Ground Water, Highland-East Highlands, San Bernardino County, California