Notes on precautions to be taken when drilling oil or gas wells through workable coal beds or through mine workings.

Bibliographic Details

Other Authors:	Herbert, C. A.
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1929.
Series:	Mines Bur. Info. Circ. No. 6195
Subjects:	Gas. Petroleum. Electronic books.
Online Access:	Connect to the full text of this electronic document