Bulletin.

Mode of access: Internet.

Economic papers.

No. 5 is Bulletin no. 1 of the Highway Commission.

Michigan's mineral industries.

None issued for 1919; 1920 includes data for 1919.

[Reports]

Mode of access: Internet.

Guide leaflet, geological science field trip, Wheaton area : DuPage and Kane Counties, Wheaton, Barrington, Elgin and Geneva quadrangles /

April 29, 1962.

Guide leaflet, geological science field trip, Milan-Rock Island area : Rock Island and Henry Counties, Miland, Coal Valley, Port Byron, Green Rock, Davenport East and Silvis quadrangles /

September 17, 1960.

Geological science field trip guide leaflet : Hamilton area, Hancock County : Keokuk, Carthage, Fort Madison, and Lomax Quadrangles.

Bibliography included in abstract.

Bulletin M.

"Pennsylvania Geological Survey. Fourth Series."

Bulletin W.

Some bulletins are issued also as the U. S. Geological Survey's Water-supply paper, and are published in Washington by the Survey.

Report of investigations - Tennessee Division of Geology.

Chemical abstracts

Supplementary memoir on new Ordovician and Silurian fossils from the northern Shan states,

At head of title: Memoirs of the Geological Survey of India.

A preliminary report on the electrical resistivity survey at Medicine Lake, Montana /

Mode of access: Internet.

Guidebook for the South Carolina coastal plain field trip of the Carolina Geological Society : Nov. 16-17, 1957 /

"Prepared in cooperation with the U. S. Geological Survey."

Short report /

Description based on: No. 39.

Bulletin /

Each number has also a distinctive title.