000			00305nam a2200133Ia 4500
008			220709b1971 xxu||||| |||| 00| 0 eng d
082			_a551.1 _bB14O
100			_aBaird, David M.
245			_aOur earth in continuous change
260			_aCanada _bMcGraw hill _c1971
300			_a118p.
630			_ageology, physical
942			_cBooks
906			_a102475
981			_aCanada: McGraw hill, 1971.
982			_a118p.
983			_aOur earth in continuous change
999			_c98069 _d98069