000 00315 am a2200121 a 4500
100 1 _aLeonard, M.J.
245 1 _aEarth dam construction with the tandem scoop
260 _aSalisbury
_c1963
300 _a1-4 p.
942 _2udc
_cB
440 _aFederal Ministry of Agriculture. Bulletin No. 2194
901 _aS7661
999 _c110258
_d110258