Waggaman, William Henry. A report on the phosphate fields of South Carolina / by Wm. H. Waggaman. - Washington, D.C. : U.S. Dept. of Agriculture, 1913. - 12 p., [2] leaves of plates : 1 map ; 23 cm. - Bulletin of the U.S. Department of Agriculture ; no. 18 . Contribution from the Bureau of Soils. LCCN: agr13001729 Subjects--Topical Terms: Phosphates--South Carolina. LC Class. No.: S591 / .A14 no. 18 National Agricultural Library Call No.: 1 / Ag84B no.18