132 FLORIDA GEOLOGICAL SURVEY-THIRD ANNUAL REPORT. the square inch or 3.2.3 feet above the surface elevation of the well which is about 29 feet above sea thus making a total head of 61.3 feet above sea. The flow of this well in 19o9 was 672,ooo gallons per day.. The following is a log of the new well at the City waterworks as given by Mr. H. Walker, the driller: Feet. Sand ......................................................... o-IiO M edium hard rock ..........................................110-126 Sand and clay ............................................... 126-185 Clay ....................................... ................. 185-4oo Sand ........................................................ 400-450 Green clay ................................................... 450-512 R ock ........................................................ 512-517 Blue clay .................................................... 517-556 Limestone termed "bed rock" with alternating hard and soft strata .................................................... 556-733 A well three and one-fourth miles south of Fernandina owned by the Nassau Truck & Farm Company was drilled by J. W. Wiggins in 19o9. This is a six inch well, 65o feet deep and cased 442- feet. The first hard rock is reported at a depth of 5oo fee:. The pressure of this well was taken January 14, I910 and was found to be 2o2 pounds or a pressure sufficient to cause the water to rise 47.3 feet above the surface The following is a log of this well as constructed from the notes kept and kindly made available by Mr. Walter Schucht, Superintendent of the Company. Feet. M uck ...... ................................................. 0 -3 Hardpan. A small flow just below this ...................... 3-9 Sand ..................................................9-ioo Blue clay. A good flow of water reported ..................... ioo-2oo Sand ................................................200-400 Coarse sand and black pebbles ................................ 400-500 H ard rock ................................................... 500-630 Limestone hard and soft strata. Increase of flow upon breaking through each hard stratum.............630-650 The following is an analysis of the water drawn from this well, January 14, 19I0. Analysis made for the State Survey in the office of the State Chemist, A. M. Henry, analyst.