000 00305pam a2200133a 44500
082 _a551.4
_bSp33b
100 _aSpencer, Edgar Winston
245 1 _aBASIC CONCEPTS OF PHYSICAL GEOLOGY
260 _aN. Y.
_bCrowell
_c1962
300 _a472
650 _aGeology
964 _gCIRC
997 _a52494 C
999 _c433527
_d433527