000 00324nam a22001457a 4500
008 210519b ||||| |||| 00| 0 eng d
020 _a9780393934625
041 _aeng
080 _23rd
_a91
082 _a91
100 _a42
101 _aGJEO
245 _aEssentials of Geology
_cM. Scott Wilkerson
942 _2udc
_cBK
999 _c57497
_d57497