000			00307nam a22001337a 4500
008			170911b xxu||||| |||| 00| 0 eng d
020			_a9780023632907
041			_aeng
080			_a91
100			_a42
101			_aGJEO
245			_aINTRODUCTION TO ENVIRONMENTAL GEOLOGY _cKELLER,E.A
942			_2udc _cBK
999			_c26971 _d26971