Gold mining and milling in northeastern Oregon.

Bibliographic Details
Corporate Author:	United States. Bureau of Mines
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1938.
Subjects:	Gold. Mineral industries. Mills and mill-work. Oregon.
Online Access:	Electronic resource (PDF)

Description
Item Description:	Includes maps and illustrations.
Physical Description:	1 online resource (61 pages), digital, PDF file