1977 census of mineral industries
U.S. Dept. of Commerce, Bureau of the Census : For sale by Supt. of Docs., U.S. G.P.O
U.S. Dept. of Commerce, Bureau of the Census : For sale by Supt. of Docs., U.S. G.P.O. 1981 1977 census of mineral industries
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U.S. Dept. of Commerce Bureau of the Census : For sale by Subscriber Services (Publications) , 1977 1977 census of mineral industries Reference series ; MIC77-R-1
