Economic resources of the northern Black Hills
By: John D. Irving, with contributions by S.F. Emmons and T.A. Jaggar.
Contributors: Emmons, Samuel Franklin, 1841-1911.; Jaggar, Thomas Augustus, 1871-1953.
Series: Geological Survey (U.S.). Professional paper -- no. 26.; Professional paper (Geological Survey (U.S.)) -- no. 26.
Publisher: Govt. Print. Off.
Published: 1904
Place of publication: Washington
Language: eng
Number of pages: 222
Subjects: Geology -- Black Hills (S.D. and Wyo.); Mines and mineral resources -- Black Hills (S.D. and Wyo.)
Notes: Subject series: A, Economic geology, 34; B, Descriptive geology, 38.

Includes bibliographical references.