Water-supply papers. 1799. Geology and occurrence of ground water in Otero County and southern part of Crowley County, Colo, [with list of references cited], by William G. Weist, jr.; with sections on Hydrology of Arkansas River Valley in project area, by William G. Weist, jr., and Edward D. Jenkins: Hydraulic properties of water-bearing materials, by Edward D. Jenkins: Quality of ground water, by C. Albert Horr.