000 00335nam a2200145 4500
001 0000003938
008 121126 eng
040 _aJMG HQ
090 0 0 _a550
_bGEO
245 0 0 _aGeological papers 1972
260 _c1972
300 _a100 p.
_bill., maps, photos
_c28 cm
504 _aIncludes bibliographical references
650 0 _aGeology
999 _c17285
_d17285