00759cam a2200265 a 4500001000800000005001700008006000400025007000400029008000600033010001700039020002200056020002200078040001900100050002100119082001500140100001700155245006600172260004300238300002700281500001900308504002900327650001700356650003100373856008900404339765620170720114707.0000000000    a   89007126   a0849349575 (v. 1)  a0849349583 (v. 2)  aUOELcDLCdDLC00aTN295b.S44 199000a622/.42201 aSengupta, M.10aMine environmental engineering /cauthor, Mritunjoy Sengupta.  aBoca Raton, Fla. :bCRC Press,cc1990.  a2 v. :bill. ;c27 cm.  aincludes index  aIncludes bibliographies. 0aMine safety. 0aEnvironmental engineering.423Publisher descriptionuhttp://www.loc.gov/catdir/enhancements/fy0744/89007126-d.html