To promote the development and conservation of phosphate resources.
Subtitle: Hearing before the Subcommittee on Minerals, Materials, and Fuel of the Committee on Interior and Insular Affairs, United States Senate, Eighty-fifth Congress, first session, on S. 334. March 20, 1957.
Publisher: U.S. Govt. Print. Off.
Published: 1957
Place of publication: Washington
Language: eng
Number of pages: 87
Subjects: Phosphate industry -- United States