1. Mafic-ultramafic igneous rocks and associated carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado, Author/Creator: Parker, Raymond L. (Raymond Laurence) Publication/Creation: Washington : U.S. Govt. Print. Off, 1970 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 645-649. Access & Availability: Loading
2. Mafic-ultramafic igneous rocks and associated carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado Author/Creator: Parker, Raymond L. (Raymond Laurence), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1970 Resource Type: Book Access & Availability: Loading