00399nam a2200181Ia 4500003000400000005001700004006001800021007000300039008004100042037001700083040001800100041001300118082001200131100001800143245003500161260000900196650001200205OSt20220926044538.0a|||||r|||| 00| 0ta220923b        |||||||| |||| 00| 0 eng d  cGeneral Book  aRTLcRTLbeng  2engaeng  aH, J9;3  aHolmes Arthur 0aPrinciples of physical geology  c1959  aGeology