Conference on Groundwater Engineering and Management : Colorado, Colorado Water Resources Research Institute, Colorado. Office of the State Engineer, & Colorado Agricultural Experiment Station. (1990). Groundwater Engineering and Management Conference, February 28-March 1, 1990. [Colorado State University].
Chicago Style (17th ed.) CitationConference on Groundwater Engineering and Management : Colorado, Colorado Water Resources Research Institute, Colorado. Office of the State Engineer, and Colorado Agricultural Experiment Station. Groundwater Engineering and Management Conference, February 28-March 1, 1990. [Colo.]: [Colorado State University], 1990.
MLA (9th ed.) CitationConference on Groundwater Engineering and Management : Colorado, et al. Groundwater Engineering and Management Conference, February 28-March 1, 1990. [Colorado State University], 1990.