Columbium
By: Henry E..
Contributors: United States. Bureau of Mines.
Series: Mineral commodity profiles -- 10
Publisher: United States Department of the Interior, Bureau of Mines
Published: 1978
Place of publication: Washington D.C
Language: eng
Number of pages: 12
Subjects: Columbrium industry -- Statistics -- United States.
Notes: "This current report on vanadium has been prepared by the Bureau of Mines, U.S. Department of the Interior ...".

Bibliographical references.