000			00637nam a22002297a 4500
999			_c1663 _d1663
003			OSt
005			20190613182055.0
008			181205b ||||| |||| 00| 0 eng d
020			_a0 333 275438
040			_aOSt _bEnglish _cOSt _dOSt
082			_a551.12 / M535c
100			_aMercer, Ian. _9103354
245			_aThe changing earth / _cIan Mercer.
260			_aLondon: _bMacmillan, _cc 1986.
300			_a33 p. : _bill. ; _c28 cm.
490			_aExploration and discovery.
500			_aIncludes index.
508			_a314
650			_aChanging earth. _9155191
650			_aGeology -- Juvenile literature. _9164032
942			_2ddc _cBK