Phosphate rock
By: [by W.F. Stowasser].
Series: Mineral commodity profile
Publisher: U.S. Dept. of the Interior, Bureau of Mines; Available without charge from Publications Distribution Branch, Bureau of Mines
Published: 1983
Place of publication: Washington, D.C; Pittsburgh, PA
Language: eng
Number of pages: 18
Subjects: Phosphate industry -- United States.; Phosphate rock -- Economic aspects -- United States.
Notes: Includes bibliographical references.