Frenzel, P. F., & Lyford, F. P. (1982). Estimates of vertical hydraulic conductivity and regional ground-water flow rates in rocks of Jurassic and Cretaceous age, San Juan basin, New Mexico and Colorado. U.S. Geological Survey.
Chicago Style (17th ed.) CitationFrenzel, Peter F., and Forest P. Lyford. Estimates of Vertical Hydraulic Conductivity and Regional Ground-water Flow Rates in Rocks of Jurassic and Cretaceous Age, San Juan Basin, New Mexico and Colorado. Albuquerque, New Mexico: U.S. Geological Survey, 1982.
MLA (9th ed.) CitationFrenzel, Peter F., and Forest P. Lyford. Estimates of Vertical Hydraulic Conductivity and Regional Ground-water Flow Rates in Rocks of Jurassic and Cretaceous Age, San Juan Basin, New Mexico and Colorado. U.S. Geological Survey, 1982.