Pegmatites of the Crystal Mountain district, Larimer County, Colorado.

by Thurston, W. R. (William Roberts), 1915-
Published 1955

Fluorspar deposits of Utah / by W. R. Thurston, M. H. Staatz, D. C. Cox, and others. Prepared in cooperation with the State of Utah through the University of Utah.

by Thurston, W. R. (William Roberts), 1915-
Published 1954