Report 76 by R.U. Grozier. H.R. Hejl. Jr., and C.H. Hembree U.S. geological Survey | May 1968

• Report 76 - Water Delivery Study Pecos River, Texas, Quantity and Quality, 1967
• figure 1 - Pecos River Watershed Showing Water Discharge and Chemical Character of the Water, April 17-19, 1967