The marketing of tungsten ores and concentrates ...
Series: [United States]. Bureau of Foreign and Domestic Commerce. Trade information bulletin,; no. 643
Publisher: U.S. Govt. print. off.
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 20
Subjects: Tungsten -- United States.
Notes: References interspersed.
At head of title: Department of commerce. R. P. Lamont, secretary. Bureau of foreign and domestic commerce. O. P. Hopkins, acting director.
"By J. W. Furness, chief, minerals division."--p. 1.