TY  - RPRT
TI  - The Pearlette family ash beds in the Great Plains: Finding their identities and their roots in the Yellowstone country
AU  - R.E. Wilcox
AU  - C. W. Naeser
PY  - 1992
DO  - 10.1016/1040-6182(92)90003-k
UR  - https://pubs.usgs.gov/publication/70016928
ID  - 70016928
ER  -