Methods and costs of sinking a shaft through a fractured, water-bearing formation at Friedensville, Pennsylvania.

by United States. Bureau of Mines.

• 4 Want to read
• 19 Currently reading

Published 1954 by U.S. Dept. of the Interior in Washington, DC .
Written in English

Subjects:

• Shaft sinking.

---

Edition Notes

Series	Information circular (United States. Bureau of Mines) -- 7680
Contributions	Hastings, W., Kane, F. J.
The Physical Object
Pagination	ii, 18 p.
Number of Pages	18
ID Numbers
Open Library	OL20681515M

---