Umpleby, Joseph Bertram, 1883-1967.

Some ore deposits in northwestern Custer county, Idaho / by Joseph B. Umpleby. - Washington, Govt. Print. Off., 1913. - 104 p. : viii pl., fold. maps, diagrs. ; 24 cm. - U.S. Geological survey. Bulletin 539 . - United States. Geological Survey. Bulletin ; 539. .

Some plates printed on both sides of leaf. "Earlier work and literature": p. 11-12. Includes index.

gs 13000949


Ore deposits--Idaho--Custer County.
Geology--Idaho--Custer County.

TN24.I2 / U6