000 00550nam a2200157Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
010 _a62-8178
040 _aNITIL
_cNITIL
082 _221st
_a338.272
_bC555E
100 _aChristenson, C L
245 0 _aEconomic redevelopment in bituminous coal
_bthe special case of technological advance in United States coal mines, 1930-1960
_cC L Christenson
260 _aCambridge
_bHarvard University Press
_c1962
300 _axxi, 312p.
650 _aBituminous Coal; Bitminous Coal industry
942 _cBKS
999 _c15758
_d15758