000 00311 am a2200121 a 4500
100 1 _aBesley, H.E.
245 1 _aVertical drainage
260 _aNew Brunswick
_c1934
300 _a1-4 p.
942 _2udc
_cB
440 _aDrainage New Jersey Agricultural Experiment Station. Circular No. 336
901 _aS47578
999 _c103536
_d103536