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Mining practices, methods, and costs at mine No. 4 of Marquette Range, Mich.

Bibliographic Details
Other Authors: Graff, W. W.
Format: Government Document eBook
Language:English
Published: Washington, D.C. : [publisher not identified], 1930.
Series:Mines Bur. Info. Circ. No. 6390
Subjects:
Mines and mineral resources.
Electronic books.
Online Access:Connect to the full text of this electronic document
Description
Item Description:[On iron mine, with data]
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 (8 pages)
Format:System requirements: PDF reader software.