130 FLORIDA GEOLOGICAL SURVEY-THIRD ANNUAL REPORT.
Feet.
Shell deposit, including a thin layer of hard rock at 52 ft. Water
above and below this rock comes to within ten feet of
surface ................................................. 45-60
Blue marl with occasional beds of shells 3 or 4 feet thick and
containing black to dark gray water-worn pebbles.........60-200
Medium coarse sand with numerous very small black grains
or pebbles. A flow was obtained at this depth.......200-212
Limestone (sample) ....................................... 212-255
Blue marl and fine sands with inclusions of several thin strata of
shell. (Sample)...................................255-355
V ery hard rock ........................................... 355-364
Indurated gray sand and blue marl .......................... 364-418
Rock, hard and soft strata with increase of flow upon penetrating each hard stratum. No increase reported below 460 feet. Driller reports the rock to be closer grained from
460 to 489.7 feet, and not containing much water......418-489.7
CRANDALL.
Two wells are reported at Crandall, both of which are owned by Messrs. L. A. Davis and Brother. These wells are three
inches in diameter and both are reported cased to a depth of 8o feet. One was drilled to a depth of 480 feet; the other to a depth of 450 feet. The water is reported to rise 35 feet
above the surface. The water from one of the wells is used
for the boiler supply at the sawmill and is said to form a hard scale. The other well is used for general drinking purposes.
EVERGREEN.
Flowing wells are obtained at Evergreen postoffice, a village about four miles distant from Evergreen station on the Seaboard Air Line Railway. A well owned by Mr. L. L. Owens and drilled by Mr. D. C. Stafford in i909 is about 500 feet deep. It
is two inches in diameter and is reported cased 270 feet. The water is reported to rise 25 feet above the surface.
FERNANDINA.
Fernandina, the county seat of Nassau County, is located in the northeastern part of the county on Amelia Island. This island is thirteen miles long and is from one to three miles wide.
The greater portion is low and flat while other parts are gently undulating. The highest elevation on the island is to be found along the line of sand dunes bordering the ocean. The dune on which the lighthouse is placed reaches an elevation of about 55 feet above sea.