Phosphates -- a case study of a valuable, depleting mineral in America
Subtitle: report to the Congress
By: by the Comptroller General of the United States.
Publisher: General Accounting Office
Published: 1979
Place of publication: [Washington]
Language: eng
Number of pages: 71
Subjects: Phosphates -- United States.
Notes: "EMD-80-21."

"B-114812."

Nov. 30, 1979.