000			00498 a2200145 4500
999			_c1072 _d1072
020			_a0321770765
050			_aGB54.5 CHR 2012
100			_aChristopherson, Robert W. _eauthor
245			_aGeosystems : _ban introduction to physical geography / _cRobert W. Christopherson.
264			_aBoston : _bPrentice Hall, _cc2012.
300			_axxvii, 623, [37] p. : _bcol. ill., col. maps ; 29 cm.
500			_aIncludes index.
650			_aPhysical geography.
942			_2lcc _cBK _e8th ed. _h54.5 _iCHR _kGB