1. Factors influencing supply of major ions to inland waters, with special reference to the atmosphere;Gorham;Bull. Geol. Soc. Am.,1961
2. Hem , J. D. Study and interpretation of the chemical characteristics of natural waters, U. S. Geol. Surv., Water-Supply Paper 1473 1959
3. Jackson , D. D. The normal distribution of chlorine in the natural waters of New York and New England, U. S. Geol. Surv., Water-Supply Paper 144 1905
4. A total alkalinity atlas for Maine lake waters;Mairs;Limnol. Oceanog.,1966