Republication of Conrad's Fossil shells of the Tertiary formations of North America /

Mode of access: Internet.

Evaluation of aerial remote sensing techniques for defining critical geologic features pertinent to tunnel location and design /

Mode of access: Internet.

Geologic aspects of the November 1960 high-explosive test at the Project Chariot site, northwestern Alaska /

"Prepared on behalf of the U.S. Atomic Energy Commission."

Geologic and water-supply reports and maps : Virginia.

Mode of access: Internet.

Geologic and water-supply reports and maps : Puerto Rico-Virgin Islands.

Mode of access: Internet.

Geologic report.

Mode of access: Internet.

Geologic and water-supply reports and maps : Utah.

Mode of access: Internet.