Directory of companies producing salt in the United States.
United States.Bureau of Mines.Division of Industrial Minerals.
United States.Bureau of Mines.Section of Nonmetallic Minerals.
United States.Bureau of Mines.Division of Nonmetallic Minerals.
United States.Branch of Industrial Minerals.
United States.Bureau of Mines.Branch of Data Collection and Coordination.
Washington, D.C. : U.S. Department of the Interior, Bureau of Mines,
-1990.
Description based on: 1989; title from caption.
Vols. for 1977- prepared by the Division of Nonmetallic Minerals; -1980 by the Section of Nonmetallic Minerals; 1981-198 by the Division of Industrial Minerals; 198 -1988 in the Branch of Industrial Minerals; 1989 in the Branch of Industrial Minerals and the Branch of Data Collection and Coordination.
Salt industry and trade
Issued also to depository libraries in microfiche.

Directory of companies and plants producing salt in the United States