00731nam a2200217Ia 450000100060000000300050000600500170001100800410002801000170006924500620008626000470014830000270019549000430022250800600026561000310032565000280035665000340038470000300041870000270044871000380047559999BIBL20200624062619.0920422c19759999vauab  grb   f000000eng0d  adoc92000763 00aGeologic studies in Alaska by the U.S. Geological Survey.0 aReston, Va.bU.S. Geological Surveyc1975-  av.bill., mapsc28 cm. 0aU.S. Geological Survey bulletin2Local  aEditors for 1990- Dwight C. Bradley and Arthur B. Ford. 0aGeological Survey (U.S.)   0aGeologyzAlaska.2Local 0aGeology, Stratigraphic2Local10aBradley, Dwight C.2Local10aFord, Arthur B.2Local 0aGeological Survey (U.S.)  2Local