000 00300 am a2200121 a 4500
100 1 _aSwenehart, J.
245 1 _aClear more land
260 _aMadison
_c1920
300 _a1-27 p.
942 _2udc
_cB
440 _aLand Wisconsin Agricultural Experiment Station. Bulletin No. 320
901 _aS51890
999 _c109606
_d109606