|
|
Coal mines and mining -- West Virginia -- Coalwood. : Hickam, Homer H.,
|
c2002
|
1
|
|
|
Coal -- North America. : Selvig, W. A.
|
1957
|
1
|
|
|
Coal -- North Carolina. : Reinemund, John A.
|
1955
|
1
|
|
|
Coal -- Nova Scotia -- Sydney region. : Cameron, A. R.
|
1971
|
1
|
|
|
Coal -- Ohio -- Belmont County. : Berryhill, Henry L.,
|
1963
|
1
|
|
|
Coal -- Oregon -- Coos Bay. : Duncan, Donald C.,
|
1953
|
1
|
|
|
Coal -- Powder River Basin (Wyo. and Mont.) : Seeland, David A.
|
1992
|
1
|
|
|
Coal -- Prices -- China. : Liu, Manhui.
|
1992
|
1
|
|
|
Coal, Pulverized -- Congresses. : Conference on Pulverized Fuel
|
1958
|
1
|
|
|
Coal -- Purchasing -- United States. : Randall, Dwight T.
|
1908
|
1
|
|
|
Coal -- Research. : Friedel, Robert A.
|
1966
|
1
|
|
|
Coal reserves -- Colorado. : Landis, Edwin R.
|
1959
|
1
|
