Minerals in the economy of Minnesota.
APA Citation
Minnesota. Dept. of Natural Resources., United States. Bureau of Mines. (1978). Minerals in the economy of Minnesota. Washington: Bureau of Mines, U.S. Dept. of the Interior.
MLA Citation
Minnesota. Dept. of Natural Resources, and United States. Bureau of Mines. Minerals In the Economy of Minnesota. Washington: Bureau of Mines, U.S. Dept. of the Interior, 1978.
Warning: These citations may not always be complete (especially for serials).