1. Colorado Mineral Belt revisited : an analysis of new data Author/Creator: Wilson, Anna B. (Anna Burack) Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] Resource Type: Book Access & Availability: Loading
2. Petrography and origin of xenotime and monazite concentrations, Central City district, Colorado Author/Creator: Young, Edward J. 1923- (Edward Joseph), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1961 Resource Type: Book Access & Availability: Loading