Guzman, Mario.
Overview
| Works: | 1 works in 0 publications in 0 languages | |
|---|---|---|
Titles
Geology, vein petrography and mineral chemistry of the north amethyst deposit, Creede Mining District, Creede, Colorado.
by:
Guzman, Mario.; ProQuest Information and Learning Co.; Colorado School of Mines.
(Language materials, manuscript)
Subjects