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=082  04$a631.45 TRO
=100  1\$aTroeh, Frederick R.
=245  10$aSoil and water conservation for productivity and environmental protection
=260  \\$aHarlow, England :$bPearson Education,$c2004
=700  1\$aHobbs, J. Arthur
=700  1\$aDonahue, Roy L.
=852  \\$bFreeman Library$cBooks$h631.45 TRO