158 FLORIDA GEOLOGICAL SURVEY-THIRD ANNUAL REPORT. Constituents. Parts per Million. Carbonates (C03) ................... ..................... 0. Bicarbonates (H-C03)............... ..................... 98. Sodium and Potassium (Na & K) ........................ 23. Magnesium (Mg) ............................. .......... 5. Calcium (Ca) .......... 0................................ 14. Iron and Alumina (Fe & Al) ............. ............. Trace. Loss on Ignition........................................ 45. Total Dissolved Solids ............. ..................... 122. LENO. There are two deep wells at Leno, owned by the Leno Turpentine Company, and drilled in 1903 by H. Mervin. One well 404 feet deep is four inches in diameter and the water stood when measured January 6, 1910, 12. 5 f eet f rom the surf ace. The second well is two inches in diameter and 220 feet deep., The water is reportedI to stand at about the same level. MAGNOLIA SPRINGS. Magnolia Springs, a station on the Atlantic Coast Line railroad one mile north of Green Cove Springs, takes its name f rom- a small spring located along the western bank of the St. Johns River. A four inch well owned by 0. D. Seavey, proprietor the Magnolia Springs Hotel, was sunk by W. J. Sherman in 1882. This well is said to be 3125 feet deep and flows several feet above the surface, although the exact head could not be obtained. This water is bottled and sold as a medicinal and table water. The following analysis shows the mineral constituents. Analysis by C. F. Chandler, Ph.D., School of Mines, Columbia College, New York, N. Y.; Constituents. Parts per Million. Sulphate of Potash .................................... Trace Sulphate of Lime ...................................... 21.3 Chloride of Sodium ....................................'14.4 Carbonate of Soda..................................... 26. 1 Carbonate of Lime ..................................... 40.4 Oxide of Iron and Alumina............................ Traces Silica ........................................... 31.0 Organic and, Volatile Matter ........................... 16.4