Photographs.

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...

Abstract The College of Engineering at Colorado State University has a long history in the study, research, and teaching of civil, electrical, hydraulic, mechanical, environmental, biomedical, and computer engineering. Currently the college offers nine bachelor's and eight advanced degree options. Materials in the collection include letters and correspondence of early college faculty Louis G. Carpenter and E.B. House, photographs of campus labs as well as dam construction in Colorado and Australia,...