Mineral resources of the Desolation Canyon, Turtle Canyon, and Floy Canyon wilderness study areas, Carbon, Emery, and Grand counties, Utah /

[Washington, D.C.] : U.S. G.P.O., 1990

Mineral resources of the San Rafael Swell Wilderness study areas, including Muddy Creek, Crack Canyon, San Rafael Reef, Mexican Mountain, and Sids Mountain Wilderness study areas,...

by Bartsch-Winkler, S.
[Washington, D.C.] : Denver, CO. : U.S. G.P.O. ; For sale by the Books and Open-File Reports section, 1990