Prac
tical Coal Minng For Miners : Volume I & II
Mason, E.
editor
text
London
Virtue & Company Limited .
1950
1st.ed.
monographic
eng
xv, 345 pages .: table, illustrations .; 26 cm
edited by E. Mason
Coal mines and mining
Coal mining
manual guide
622.33 PRA 1950
260903
20260903105059.0
0000000843, 0000000844
Eng