Revisions to the Cenozoic stratigraphy of Harney basin, southeastern Oregon a formal designation and description of three major units of volcanic rocks with extensive regional correlations throughout southeastern Oregon /
|Main Author:||Walker, George Walton, 1921-|
|Other Authors:||Geological Survey (U.S.)|
U.S. Govt. Print. Off.,
iii, 35 pages, 1 page of plates : illustrations (folded in pocket) ; 24 cm.
Geological Survey bulletin ;