Catalog Record: Churn drilling at the McGregor zinc-lead...

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Churn drilling at the McGregor zinc-lead mine, Washington County, Mo. / by W.D. McMillan.

Main Author:	McMillan, W. D.
Language(s):	English
Published:	[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1948.
Subjects:	Zinc mines and mining > Missouri > Washington County. Lead mines and mining > Missouri > Washington County. Boring > Missouri > Washington County. Mine examination > Missouri > Washington County.
Physical Description:	6 p. : ill. ; 27 cm.
Original Format:	Book
Locate a Print Version:	Find in a library

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