00608cam a2200121ua 4500041001000000082002200010110026800032245010900300250001200409260004800421300001200469504000500481 aengh a028.72551bUSD/EN1 aUSUS department of interior bureau of reclamation . bc() aEngineering geology field manual / cUS department of interior bureau of reclamation.hTextual Documents a1 / b. aJodhpur : bScientific Publishers , c1991. a598 ; . a