Letter to the Joint Congressional Committee to Investigate the Adequacy and Use of Phosphate Resources of the United States.
Contributors: Pacific Northwest Regional Planning Commission.
Publisher: Pacific Northwest Regional Planning Commission
Published: 1938
Place of publication: Portland, Or
Language: eng
Number of pages: 22
Subjects: Phosphates -- United States.
Notes: Cover title.

Mimeographed.

"July 16, 1938."

Includes bibliographical references.