000 00376 am a2200121 a 4500
100 1 _aThysell, J.C.
245 1 _aConservation and use of soil moisture at mandan, N. Dak.1
260 _aWashington
_c1938
300 _a1-40 p.
942 _2udc
_cB
440 _aConservation, Soil, Moisture United States Department of Agriculture. Technical Bulletin No. 617
901 _aS4334
999 _c107126
_d107126