1. Davis , S. N. Silica in streams and ground water of Hawaii Honolulu 1969
2. Soil solution extractions at tenth-bar moisture percentages;Eaton;Soil Sci.,1960
3. Feth , J. H. C. E. Roberson W. L. Polzer Sources of mineral constituents in water from granite rocks, Sierra Nevada, California and Nevada Water Supply Pap 1535-I U.S. Geol. Surv. Washington, D. C. 1964
4. Dissolved solids-discharge relationships, 2, Applications to field data;Hall;Water Resour. Res.,1971