000 00405nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.12 B945
100 _aBUREAU OF MINES UNITED STATES DEPARTMENT OF THE INTERIOR
245 0 _aCOMPUTER SIMULATIONS MODEL FOR SURFACE MINE RECLAMATION PLANNING
250 _a1
260 _aHARMONDSWORTH
_bPENGUIN BOOKS
_c1985
300 _a28X22
942 _cBK
_2DDC
999 _c22208
_d22208