A report on the natural phosphates of Tennessee, Kentucky, and Arkansas.
Waggaman, William Henry.
A report on the natural phosphates of Tennessee, Kentucky, and Arkansas. By William H. Waggaman ... - Washington, Govt. Print. Off., 1912. - 36 p. incl. maps, tables. IV pl. 2 l., fold. map. 23 cm. - U.S. Dept. of Agriculture. Bureau of soils. Bulletin no. 81 .
agr12000487
Phosphates.
Phosphate deposits.
S591 / .A12 no. 81
A report on the natural phosphates of Tennessee, Kentucky, and Arkansas. By William H. Waggaman ... - Washington, Govt. Print. Off., 1912. - 36 p. incl. maps, tables. IV pl. 2 l., fold. map. 23 cm. - U.S. Dept. of Agriculture. Bureau of soils. Bulletin no. 81 .
agr12000487
Phosphates.
Phosphate deposits.
S591 / .A12 no. 81