Phosphate-rock Resources of the United States

Phosphate-rock Resources of the United States
Author: James Bachelder Cathcart
Publisher:
Total Pages: 56
Release: 1984
Genre: Phosphate-rock
ISBN:

An analysis of phosphate-rock resources, based on past estimates and all available recent information, indicates that sufficient phosphate exists in the United States to meet domestic demands for the foreseeable future.

Coasts in Crisis

Coasts in Crisis
Author: S. Jeffress Williams
Publisher:
Total Pages: 352
Release: 1990
Genre: Coast changes
ISBN: