Trilobite biostratigraphy of the Gordon Shale in the southern part of the Libby Trough, Sanders County, Montana
By: by David Patrick O'Malley.
Published: 1985
Language: eng
Number of pages: 144
Subjects: Trilobites.; Geology -- Montana -- Libby Trough.; Geology, Stratigraphic -- Cambrian.
Notes: Typescript.

Folded map in back pocket.

Thesis (M.S.)--Washington State University, 1985.

Bibliography: leaves 67-79.

WSU:"Department of Geology."