Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho

by James H. Dover, William B. N. Berry, Reuben James Ross

1980

Biostratigraphic and structural field studies in lower Paleozoic rocks of central Idaho.

Ordovician Graptolites of the Basin Ranges in California, Nevada, Utah, and Idaho

by Reuben James Ross, William B. N. Berry

1963

A compilation, with descriptions and illustrations, of the more common species and genera of graptolites in the Great Basin.