Verlag: United States Government Printing Office, Washington, 1960
Zustand: very good. from the title page, "A study of the structures in a belt of upturned layered noritic and ultramafic Precambrian rocks on the northeast margin of the Beartooth Mountains." DH3. softcover, 9" x 5.5", plates 23, 24 & 25 in rear pocket, 281-340 pages, illustrated.