Title: Ordovician and older rocks of the Bayhorse area, Custer County, Idaho
First published: 1990
Subjects: Geology, Geology, Stratigraphic, Stratigraphic Geology
Places: Custer County, Idaho
Time periods: Ordovician
LC classification: QE75 .B9 no. 1891, QE660 .B9 no. 1891