000 00311 a2200121 4500
008 141010b1967 xxu||||| |||| 00| 0 eng d
082 _a550
100 _aWyckoff, Jerome
245 _aSecrets of the Earth /
_cJerome Wyckoff
260 _aLondon :
_bPaul Hamlyn,
_c1967.
300 _a177p.
650 _aEarth science
999 _c6099
_d6099