TY  - RPRT
TI  - Geometry of Upper Cretaceous bentonite beds: Implications about volcanic source areas and paleowind patterns, western interior, United States
AU  - W.P. Elder
PY  - 1988
DO  - 10.1130/0091-7613(1988)016<0835:goucbb>2.3.co;2
UR  - https://pubs.usgs.gov/publication/70014379
ID  - 70014379
ER  -