Tungsten minerals and deposits
By: by Frank L. Hess.
Contributors: Geological Survey (U.S.)
Series: Geological Survey bulletin -- 652
Publisher: Govt. Print. Off.
Published: 1917
Place of publication: Washington
Language: eng
Number of pages: 85
Subjects: Tungsten ores -- Geology.; Tungsten.; Wolframite.; Scheelite.
Notes: Includes index.

Bibliography: p. 7-9.