Field testing the microminer--research continuous miner
By: by Bradley V. Johnson, Scott W. Krepela, and Kelly C. Strebig
Contributors: Krepela, Scott W., joint author; Strebig, Kelly C., joint author; United States. Bureau of Mines; United States. Bureau of Mines. Health and Safety Program/Safety
Series: Technical progress report -- 89
Publisher: U.S. Dept. of the Interior
Published: 1975
Place of publication: [Washington]
Language: eng
Number of pages: 11
Subjects: Coal-mining machinery; Coal mines and mining -- Dust control
Notes: Prepared for Health and Safety Program/Safety