000 00291nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.33 R823
100 _aROSS,C.A
245 0 _aGEOLOGY OF COAL
260 _aPennsylvania
_bHutchinson Ross
_c1984
300 _a26X16
942 _cBK
_2DDC
999 _c19552
_d19552