A simplified economic filter for open-pit gold-silver mining in the United States
By: by Singer, Donald A., Menzie, W. David, and Long, Keith R
Contributors: Menzie, W. D; Long, Keith R; Geological Survey (U.S.)
Series: Open-file report -- 98-207; U.S. Geological Survey open-file report -- 98-207
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1998
Place of publication: [Resron, Va.]
Language: eng
Format: Microform
Number of pages: 10
Subjects: Gold ores -- Economic aspects; Silver ores -- Economic aspects; Gold mines and mining -- Economic aspects; Silver mines and mining -- Economic aspects
Other titles: Simplified economic filter for open pit gold silver mining in the United States
Notes: Cover title

Shipping list no.: 99-0384-M

Includes bibliographical references (p. 6)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1998?] 1 microfiche : negative