Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho: Stratigraphic and Structural Revisions, and New Data on Graptolite Faunas, Issue 1090

Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada

Some Middle Ordovician Brachiopods and Trilobites from the Basin Ranges, Western United States: With Stratigraphic Sections A, North of Pyramid Peak, Calif

Calymenid and Other Ordovician Trilobites from Kentucky and Ohio

Ordovician Fossils from Wells in the Williston Basin, Eastern Montana: Issue 1021

Fossils from the Ordovician Bioherm at Meiklejohn Peak, Nevada

Distribution of the Middle Ordovician Copenhagen Formation and Its Trilobites in Nevada

The Kinnikinic Quartzite of Central Idaho: Redefinition and Subdivision, Issue 1254

Geology and Ground Water in Verde Valley--: The Mogollon Rim Region, Arizona, Issues 1177-1180