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2. Reply;Hall;Water Resour. Res.,1969
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4. A working model for the variation in streamwater chemistry at the Hubbard Brook experimental forest;Johnson;Water Resour. Res.,1969
5. Langbein , W. B. D. R. Dawdy Occurrence of dissolved solids in surface waters in the United States, U. S. Geol. Surv. ProF Pap. 501-D 115 117 1964