000 00374cam a22001217a 4500
008 180718b1960 xxu||||| |||| 00| 0 eng d
082 _aY11x73 C578
100 _aClawson, Marion
245 _aLand for the future
_cby Marion Clawson... [et.al]
260 _aBaltimore
_bJohns Hopkins for Resources for the future
_c1960
300 _a570p.
650 _aLand use --United States
999 _c362553
_d362553