Espenshade, Gilbert H. 1912-

Geology of phosphate deposits of northern peninsular Florida / by Gilbert H. Espenshade and Charles W. Spencer. - Washington, [D.C.] : U.S. G.P.O., 1963. - v, 115 p. : ill., maps (some col.) ; 24 cm. - Geological Survey bulletin ; 1118 .

Thirteen folded leaves in pocket. Includes index.

Bibliography: p. 56-58.

gs 63000213


Geology--Florida.
Phosphates--Florida.
Borings--Florida.
Mines and mineral resources--Florida.

QE75 / .B9 no. 118

407 / G29B no.1118