Colorado State University. College of Engineering

Abstract Robert A. Longenbaugh (1935-2020) made numerous contributions to groundwater research, education, and legislation. The collection documents Longenbaugh's career working on Colorado groundwater issues as a Colorado State University engineering professor, assistant state engineer, and consultant, as well as his continued activities during retirement. Main subjects documented include groundwater resources, modeling, recharge, law, education, wells, and irrigation pump efficiency, as well as...