00473nam a2200217Ia 4500003000400000005001700004006001900021007000300040008004100043024001000084037001200094040001800106041000800124082002100132100002000153245003000173260000900203300001200212650001900224650001200243OSt20220912152408.0a|||||r|||| 00| 0 ta220909b        |||||||| |||| 00| 0 eng d  a49259  cTextual  aCSLbengcCSL  aeng  aH211.58z7, K6-;1  aCook Earl F Ed. 0aTufflavas and ignimbrites  c1966  ap.ccm.  a Volcanic rock  aGeology