Carnivora from the Tertiary formations of the John Day region,

Mode of access: Internet.

The Tertiary insects of North America.

At head of title: United States Geological Survey of the Territories.

Contributions to the geology of the Tertiary formations of Virginia : second series /

"Read March 1, 1839."

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

Mode of access: Internet.

Hydrology of the Tertiary-Cretaceous aquifer system in the vicinity of Fort Rucker Aviation Center, Alabama /

Mode of access: Internet.

Preliminary report on a uranium occurrence in the Atlanta area, Lincoln County, Nevada /

Surface and airborne prospecting of the Ely Springs dolomite is recommended in this region, especially near silicified breccia pipes.