Mineral resources of the Mount Zirkel Wilderness and northern Park Range vicinity, Jackson and Routt counties, Colorado /
Snyder, George L.(George Leonard),1927-
Patten, Lowell L.
Daniels, Jeffrey J.
Washington : Government Printing Office,
1987.
Three maps on 2 folded leaves in pocket.
Mines and mineral resources
Mines and mineral resources
Geology
Geology