1. Uranium deposits in the Eureka Gulch area, Central City district, Gilpin County, Colorado Author/Creator: Sims, P. K. 1918-2011. (Paul Kibler) Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1955 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1031-1032. Access & Availability: Loading