000 00914nam a2200277Ia 4500
001 22430
003 BIBL
005 20160527201148.0
008 800122s1959 okua 00110 eng
010 _a 91006721
020 _a0806116676
_c12.50 (ed. 1980)
043 _an-us---
049 _aEVLG
_b333.72
_bS439
_cc1
050 0 _aGF503
_b.S42 1959
082 _a333.7/2/0973
092 _a333.72
_bS439
100 1 0 _aSears, Paul Bigelow
_2Local
_9167199
245 1 0 _aDeserts on the march
_cPaul B. Sears.
260 0 _aNorman
_bUniversity of Oklahoma Press
_cc[1959].
300 _a178 p.
_bill.
500 _aIncludes index.
650 0 _aMan
_xInfluence on nature
_zUnited States.
_2Local
_9130093
650 0 _aConservation of natural resources
_zUnited States.
_2Local
_979833
650 0 _aAgricultural ecology
_zUnited States.
_2Local
_949832
650 0 _aDesertification
_zUnited States.
_2Local
_986023
999 _c16000
_d16000