Progress report on investigations of western phosphate deposits
By: by R.W. Swanson, V.E. McKelvey, and R.P. Sheldon
Contributors: McKelvey, V. E. (Vincent Ellis), 1916-; Sheldon, Richard Potter
Series: Geological Survey circular -- 297; Circular (Geological Survey (U.S.)) -- 297.
Publisher: Geological Survey
Published: 1953
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Phosphates; Geology
Notes: "Prepared as part of the program of the Department of Interior for development of the Missouri River Basin ..."

Includes bibliographical references (p. 16).