00290    a2200109   4500020001500000082001700015100001700032245003800049260004700087300003200134650001400166  a0727729667  a624.1513 TRE  aTrenter, N A  aEarthworks: A Guide/cN A Trenter  aLondon :bThomas Telford Publishing,c2001  axiv, 265p. :bill. ;c25 cm  aEarthwork