000 00423nam a2200181Ia 4500
008 210210b1951 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a550/6
100 _aGILLUY (J)
245 _aPrinciples of geology
260 _aSan Francisco
_bW H Freeman and Company.,
_c1951
650 _aPrinciples
650 _aof
650 _ageology
690 _aGeology
700 _aand others
906 _a010150
999 _c137918
_d137918