00488nam a22001457a 4500008004100000040005500041080001600096100001800112245009800130260003100228300001600259490002300275650003200298653001200330230525b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a553(84)bM6  aLitherland, M  aGeology and mineral resources of the Bolivian Precambrian shieldc/ British Geological Survey  aLondon: bH.M.S.O., c1986  aviii, 153p.  aOverseas memoirv9  aPrecambrian geologic period  aGeology