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Design practices for multiple-seam room-and-pillar mines.
- Format:
- Book
- Government document
- Series:
- Technology news ; no. 443
- Language:
- English
- Subjects (All):
- Coal mines and mining--United States--Designs and plans.
- Coal mines and mining.
- United States.
- Genre:
- Designs and plans.
- Architectural drawings.
- Physical Description:
- 1 online resource (2 unnumbered pages)
- Place of Publication:
- Washington, DC : Bureau of Mines, U.S. Dept. of the Interior, [1994]
- Notes:
- Title from title screen (viewed on March 6, 2008).
- "November 1994."
- OCLC:
- 212907191
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