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Preliminary chemical and mineralogical analyses of the major volcanic ash beds in the Oligocene Brule Formation, northwestern Nebraska

January 1, 1994

No abstract available.

Publication Year 1994
Title Preliminary chemical and mineralogical analyses of the major volcanic ash beds in the Oligocene Brule Formation, northwestern Nebraska
DOI 10.3133/ofr94292
Authors Kendell A. Dickinson
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 94-292
Index ID ofr94292
Record Source USGS Publications Warehouse