82 
FLORIDA GEOLOGICAL SURVEY. 
53. Dana, James D.— 
Origin of tlie Coral Reefs and' Islands. 
Am. Jour. Sci. (3) XXX, 89-105, and 169-191, 
map, 1885. 
The reference to Florida reefs occurs in pt. II, p. 178, 
in which evidence of subsidence during the growth of the 
reefs is presented. 
: 54 . Dancy, F. L.— 
Report of the State Engineer and Geologist, con¬ 
tained in Message of the Governor of Florida sub¬ 
mitted with Accompanying Documents. November 
28,1854. 
The reference to geology occurs on p. 20 (Appendix). No 
geological work accomplished beyond the collecting of some 
soils and minerals. 
55 . Darton, N. H.— 
Notes on the Geology of the Florida Phosphate 
Deposits. 
Am. Jour. Sci. (3) XLI, 102-105, 1891; abst. Eng. 
Min. Jour. LI, 210, (1£ cols.) 1891. 
56. Darton, N. EL— 
Record of a Deep Well at Lake Worth, southern 
Florida. 
Ami. Jour. Sci. (3) XLI, 105-106, 1891. 
The Vicksburg Limestone was identified at depth of 
1000 feet. The well ended in this formation at 1212 feet. 
57. Darton, N. H.— 
Preliminary List of Deep Borings in the United 
States, part I. 
U. S. Geol. Sur. Water Supp. and Irri. Paper, 
No. 57, 1902. 
The list of borings made in Florida occurs on pp. 21-22. 
A second edition with additions was issued as Water Sup¬ 
ply Paper No. 149, 1905. 
