Concentrations of platinum group elements in 122 U.S. coal samples
By: by Charles L. Oman, Robert B. Finkelman, and Susan J. Tewalt
Contributors: Finkelman, Robert B.; Tewalt, Susan J; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 97-53
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1997
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Platinum group; Coal -- United States -- Analysis
Notes: Shipping list no.: 2000-0902-M

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1997] 1 microfiche