Investigation of tin-rare earth element placers in the Ray River Watershed
By: by James C. Barker
Contributors: United States. Bureau of Mines
Series: [OFR -- 34-91]; Open file report (United States. Bureau of Mines) -- 91-34
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1991
Place of publication: [Fairbanks, AK]
Language: eng
Format: Microform
Number of pages: 63
Subjects: Tin ores -- Alaska; Rare earth metals -- Alaska; Placer deposits -- Alaska; Mines and mineral resources -- Alaska
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 94-0451-M

Includes bibliographical references  (p. 58-59)

Microfiche. [Washington, D.C. : Supt. of Docs., U.S. G.P.O., 1994] 1 microfiche : negative