TY  - RPRT
TI  - Stratigraphic succession, isotopic ages, partial chemical analyses, and sources of certain silicic volcanic ash beds (4.0 to 0.1 m.y.) of the western United States
AU  - Glen Arthur Izett
PY  - 1981
DO  - 10.3133/ofr81763
UR  - https://pubs.usgs.gov/publication/ofr81763
ID  - ofr81763
ER  -