00538nam a2200205 a 450000500170000008200160001710000300003324500220006326000500008530000230013563000130015863000160017163000140018763000100020163000190021196400160023099700110024699900150025795200600027220251202164220.0  a551.22bOUR  aGray, Ralph and othersd_  aOur violent earth  aWashingtonbNational Geographic Societyc1982  a103 p.b28 cm.cHB  aSciences  aEarthquakes  aVolcanoes  aWater  aStormy weather  bcdefg_  a9057 C  c3634d3634  00104070aPUbPUd1998-04-08l0o551.22 OURp9057yBK