DGGS
State of Alaska Alaska / Natural Resources DNR / Geological & Geophysical Surveys DGGS / PublicationsPubs / B 357B 357

USBM B 357

Shaft-sinking practices and costs

Bibliographic Reference

Gardner, E.D., and Johnson, J.F., 1932, Shaft-sinking practices and costs: U.S. Bureau of Mines Bulletin 357, 116 p.

Publication Products

Keywords

Juneau Mining District; Mining; Mining Methods

Top of Page

Copyright © 2024 · State of Alaska · Division of Geological & Geophysical Surveys · Webmaster