Industrial minerals of the Pacific northwest
By: by A.J. Kauffman, Jr.
Contributors: United States. Bureau of Mines.
Series: Information circular / Bureau of Mines -- 7641.; Information circular (United States. Bureau of Mines) -- 7641.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1952
Place of publication: [Washington]
Language: eng
Number of pages: 75
Subjects: Mines and mineral resources -- Northwest, Pacific.
Notes: "August 1952."

Bibliography: p. 62-75.