Minerals in the economy of Virginia.

APA Citation

United States. Bureau of Mines. Minerals in the economy of Virginia. [Washington]: Bureau of Mines, U.S. Dept. of the Interior.

MLA Citation

United States. Bureau of Mines. Minerals In the Economy of Virginia. [Washington]: Bureau of Mines, U.S. Dept. of the Interior,

Warning: These citations may not always be complete (especially for serials).