1. [Alaska Section – William Daniel Gill Collection] – Chapin, Theodore.

The Nelchina-Susitna Region Alaska [With Two large Folding Maps of the Region]. [Provenance: This rare Pamphlet with the two Maps, was given to W.D.Gill by american geologist Glen W. Ledingham (Gulf Oil)].

Washington, Government Printing Office, 1918. Octavo. 67 pages. With 10 illustrations and 4 figure diagrams. Original Softcover. Very good condition with only minor 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 668].

2. [Alaska Section – William Daniel Gill Collection] – Knappen, Russel S.

Geology and Mineral Resources of the Aniakchak District, Alaska. [Provenance: This rare Pamphlet with a large Folding Map of the Aniakchak District, was given to W.D.Gill by american geologist Glen W. Ledingham (Gulf Oil)].

Washington, Government Printing Office, 1929. Octavo. 227 pages plus Folding Map. Original Softcover. Cover sellotaped. Otherwise in good condition with only minor 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 797-F].

3. [Alaska Section – William Daniel Gill Collection] – Martin, G.C.

The Nenana Coal Field, Alaska. [Provenance: This rare Pamphlet with NINE (!) large Folding Maps of the Nenana Region, was given to W.D.Gill by american geologist Glen W. Ledingham (Gulf Oil)].

Washington, Government Printing Office, 1919. Octavo. 54 pages with 9 large folding Maps. Original Softcover. Very good condition with only minor 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 664].

4. [Alaska Section – William Daniel Gill Collection] – Martin, G.C. / Katz, F.J.

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].