4 books
Uranium Deposits in the Eureka Gulch Area, Central City District, Gilpin County, Colorado
Preliminary Investigation of Seismic Tremors in the General Area of the Leyden Coal Mine Gas-Storage Reservoir, Colorado
Relation of Uranium Deposits to Tectonic Pattern of the Central Cordilleran Foreland
Effects of Coal Mine Subsidence in the Sheridan, Wyoming, Area