Studies of roof movement in coal mines :
Saved in:
Language: | English |
---|---|
Format: | U.S. Federal Government Document Book E-Resource |
Similar Items
-
Studies of roof movement in coal mines : 3. Gibson Mine of the Hillman Coal & Coke Co. /
by: Maize, Earl R.
Published: (1940) -
Cementation of bituminous-coal-mine roof strata. Part 1, determining penetrability of mine roof by injecting oil and water /
by: Maize, Earl R.
Published: (1956) -
Cementation of bituminous-coal-mine roof strata : injection of epoxy and polyester-type resins /
by: Maize, Earl R.
Published: (1959) -
Studies of roof movement in coal mines. [No.] 1., Montour 10 Mine of the Pittsburgh Coal Co. /
Published: (1937) -
Coal mine roof instability : categories and causes /
by: Moebs, Noel N.
Published: (1986)