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Improving the performance of longwall gob gas ventholes.
Connect to full text Available online
View online- Format:
- Book
- Government document
- Series:
- Technology news ; no. 448
- Language:
- English
- Subjects (All):
- Longwall mining--United States.
- Longwall mining.
- United States.
- Physical Description:
- 1 online resource (2 unnumbered pages)
- Place of Publication:
- Washington, DC : Bureau of Mines, U.S. Dept. of the Interior, [1995]
- Notes:
- Title from title screen (viewed on March 6, 2008).
- "March 1995."
- OCLC:
- 212914212
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