000 00436 a2200169 4500
080 _a631.62
_bL 973 D
245 1 _aDrainage of agricultural lands
_cedited by J.N. Luthin
260 _aMadison
_c1957
650 _aAgricultural Lands
650 _aDrainage
650 _aAgricultural Drainage
700 _aLuthin, J.N., ed.
440 _aVol. 7
_vAmerican Society of Agronomy
100 _a
_d
300 _a620 p.
901 _a65779
999 _c45083
_d45083