Preliminary chemical and mineralogical analyses of the major volcanic ash beds in the Oligocene Brule Formation, northwestern Nebraska
1994
publish date
Microform
physical format
??
pages
Publishers
U.S. Dept. of Interior, U.S. Geological Survey
,Open-File Reports Section, distributor]
External links
Librarything
https://www.librarything.com/work/undefinedRelated works
