000			003880000a22001690004500
020			_a070370591
041			_aEN
080			_a624.13 _bL4
100			_aLegget, Robert F.
245			_aGeology and engineering
250			_a2nd ed.
260			_aNew York _bMcGraw-Hill _c1962
300			_axvii, 884p. : ill.
650			_aGEOCHEMISTRY
650			_aGEOLOGY-ENGINEERING
942			_cBK
999			_c59189 _d59189