Mafic-Ultramafic Igneous Rocks and Associated Carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado: USGS Professional Paper 649

by Raymond Laurence Parker, William N. Sharp

$15 · Offered by Crossroads Books

Washington: United States Government Printing Office, 1970. softcover, 11.25 x 9 , 24 pages, plate 1 & 2 folded inside rear pocket. very good. Item #5569498 from the title page, The Gem Park Complex--its geology and mineralogy, and its niobium distribution.

• Binding: Softcover

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