Title: Bitter Waters
Subjects: Freshwater ecology, New mexico, social life and customs, Texas, social life and customs, Environmental conditions, Stream ecology, Ecology, HISTORY / United States / State & Local / Southwest (AZ, NM, OK, TX), LAW / Natural Resources, NATURE / Ecosystems & Habitats / Deserts, NATURE / Ecosystems & Habitats / Rivers, SCIENCE / Environmental Science (see also Chemistry