Reconnaissance of gold-mining districts in the Black hills, S. Dak.
By: by Paul T. Allsman.
Series: U. S. Bureau of mines. Bulletin; 427
Publisher: U.S. Govt, print, off.
Published: 1940
Place of publication: Washington
Language: eng
Number of pages: 146
Subjects: Gold mines and mining -- South Dakota -- Black hills.
Other titles: Gold-mining districts in the Black hills, S. Dak.
Notes: At head of title: United States Dept. of the interior, Harold L. Ickes, secretary. Bureau of mines, R. R. Sayers, director ...
Running title: Gold-mining districts in the Black hills, S. Dak.