A study of non-ferrous metal refining opportunities in the four corners states / \ John T. Connor. - Washington: U.S Department of Commerce, 1965 - 246p.: chart.; 26 cm.

Subjects--Topical Terms:
Nonferrous metals --Metallurgy.
Smelting.
Metals

Dewey Class. No.: US 673 / St 94(Jan./1965)