Biodiversity Heritage Library

By: Waggaman, William H., - Fry, William H. (William Henry),

Edition:

Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1915

Volume: no.312 (1915)

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: Phosphate rock  Phosphatic fertilizer industry

BHL Collections: