Uranium Activities and officers of Vitro Uranium Company and Vitro Minerals Corporation. Mining Yearbook 1959, p.49 Schwartzwalder mine produced $1 million in uranium ore in 1958. Post July 26, 1959, p.IE Uranium operators sign contract with Cotter Corp of :Canon City. (Denver-Golden corporation) Post Feb. 14, 1960 p.3E Santa Fe firm acquires cheap process. Post Oct. 10, 1960 p!20 $180 million power plant planned for Navajo reservation. Pos . 15, 1960 p.22