Verlag: U. S. Department of the Interior, Washington, DC, 1927
Anbieter: Willis Monie-Books, ABAA, Cooperstown, NY, USA
Softcover. Zustand: Fair. Covers are detached in two pieces but present. Two owner names on front cover. ; Geological Survey Bulletin 796-A. Contributions to Economic Geology, 1927, Part II, pages 1-64. With folded maps and folded plates.
Verlag: US Government Printing Office, Washington, 1927
Anbieter: Russ States, Oil City, PA, USA
Original Wraps. Zustand: Good +. 64pp, illus., charts, maps, includes all 5 maps in rear pocket, Bulletin 796-A, a few pgs w/ turned corners, soiling & wear ot cover, a few tears to cover.