194 FLORIDA GEOLOGICAL SURVEY-THIRD ANNUAL REPORT.
Constituents. Parts per million.
Organic and volatile matter .................. ......... 51-311T
Calcium oxide ..................... ................... 70.650
Magnesium oxide ..................................... 31-939
Sodium oxide ...................................... 736.846
Sulphur trioxide..................................... 24T.489'
Chlorine ........................... I.................. 446.7,37
Carbonic acid (combined) ............................. 204-081
Silica................................................ 33-979
As will be seen in the above analysis this water contains a high percentage of sodium and chlorine. 'The' water tastes brack-' ish and is used for cooling purposes in the manufacture of ice. The principal water supply for domestic purposes in and around Ft. Pierce is obtained f rom shallow wells ranging in depth from 12-> to 5o feet.
NARROWS.
Two deep wells are reported from Narrows. One is owned by. Mr. F. Foster, the other by Mr. E. L. Gray. These wells were drilled by Mr. W. J. Nesbitt about the year 1892. Both are three inches in diameter and 420 feet deep. The height to which the water would rise above the surface was not obtained but the wells are reported to have a head of several feet and to furnish a strong flow of water.
ORCHID.
Mr. S. K. Michael owns an artesian well at Orchid. This well was sunk by Capt. Alexander Near in 1896. It is 480 f eet' deep,'
four inches in diameter and is cased 85 feet. The well is reported to have a head Of 40 feet above sea, and to f urnish an abundant supply of hard, sulphur water.
ROSELAND.
The artesian wells at Roseland have been drilled f or a number of years and* for this reason no very definite information, could be