Geology and Coal Fields of the Lower Matanuska Valley, Alaska. [Provenance: This rare Pamphlet with FIVE (!) large Folding Maps of the Matanuska Valley, was given to W.D.Gill by american geologist Glen W. Ledingham (Gulf Oil)].
Washington, Government Printing Office, 1912. Octavo. 98 pages. With 19 illustrations and 12 figure diagrams. [5 large folding Maps]. Original Softcover. Cover sellotaped. Otherwise in good condition with stronger signs of wear. Names of eminent american geologist Glen W. Ledingham and consulting Petroleum Geologist Jack C. West stamped on cover]. [United States Geological Survey – Bulletin 500].
