000 00000nam a2200000 a 4500
005 20251202164157.0
082 _a551
_bPOW
100 _aGrosvenor, Gilbert M
_d_
245 _aPowers of nature
260 _aWashington
_bNational Geographic Society
_c1978
300 _a199 p.
_b24 cm.
_cHB
630 _aGeology
964 _bEng
_c100
_d
_e010
_f
_g_
997 _a9060 W
999 _c2268
_d2268