Shaft-sinking practices and costs.

Bibliographic Details
Other Authors:	Gardner, E. D. (Eugene Delos), 1885-, Johnson, J. Fred (John Frederick), 1887-
Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1932.
Series:	Mines Bur. Bull. No. 357
Subjects:	Mines and mineral resources. Electronic books.
Online Access:	Connect to the full text of this electronic document

Description
Item Description:	[With data on costs, by sinking method] Includes index. Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource.
Physical Description:	1 online resource (iii, 110 pages)
Format:	System requirements: PDF reader software.