Mineral resources of the Holy Cross wilderness area, Eagle, Pitkin, and Lake Counties, Colorado /

Autor Wallace, Alan R., Lee, Gregory K., Campbell, David L., Lundby, William, Brown, S. Don
Vydáno 1989

Igneous activity and related ore deposits in the western and southern Tushar Mountains, Marysvale Volcanic Field, west-central Utah /

Autor Steven, Thomas A. 1917-2013, Campbell, David L., Naeser, Charles W., 1940-2016, Pitkin, James A., 1931-, Duval, Joseph S., Cunningham, Charles G., Anderson, John J.
Vydáno 1984