Geology of the Mount Aetna volcanic center, Chaffee and Gunnison Counties, Colorado : a description of a deeply eroded mid-Tertiary volcano on the southern fringes of the Mount Princeton batholith in the Sawatch Range /
Toulmin, Priestley.
Hammarstrom, Jane Marie.
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey,
[1989]
One col. map on folded leaf in pocket.
Includes bibliographical references (p. 39-42).
Volcanic ash, tuff, etc.
Volcanic ash, tuff, etc.
Volcanism
Volcanism
Geology
Geology