TY  - BOOK
AU  - Johnson,Bradley V.
AU  - Strebig,Kelly C.
AU  - Krepela,Scott W.
ED  - United States.
TI  - Field testing the microminer--research continuous miner
T2  - Technical progress report / Bureau of Mines, U.S. Department of the Interior
PY  - 1975///
CY  - [Washington, D.C.]
PB  - U.S. Dept. of the Interior
KW  - Mines and mineral resources
KW  - Mineral industries
KW  - Mine explorations
KW  - Research
KW  - Mine safety
N1  - Prepared for Bureau of Mines Coal Mine Health and Safety Program /Safety
ER  -