Contributions to Pre-Cambrian geology of western North America /
Hinds, Norman E. A.(Norman Ethan Allen),1892-
[Washington] : Carnegie Institution of Washington,
1936
I. Ep-Archean and ep-Algonkian intervals in western North America -- II. Uncompahgran and Beltian deposits in western North America.
Geology, Stratigraphic
Geology
Geology