Precious metals recovery from low-grade resources : proceedings, Bureau of Mines open industry briefing session at the National Western Mining Conference, Denver, CO, February 12, 1986 / compiled by staff, Bureau of Mines - Pgh. [i.e. Pittsburgh] Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1986 - iii, 56 p. : ill. ; 28 cm. - United States Bureau of Mines. Information circular 9059 .

Includes bibliographies.


Precious metals--Metallurgy--Congresses.

USBM ic-9059