Radcliffe, Daryl E.
Continuous recorder to monitor mine roof displacement (BM-TPR 104) Radcliffe, Daryl E. - Washington Bureau of mines 1977
TECNOLOGIA MINERA
622.06
Continuous recorder to monitor mine roof displacement (BM-TPR 104) Radcliffe, Daryl E. - Washington Bureau of mines 1977
TECNOLOGIA MINERA
622.06