TY  - RPRT
TI  - Chemical analyses of tuffs and some lava flows in Paleogene formations in western Washington and northwestern Oregon
AU  - P.E. Hammond
PY  - 1996
DO  - 10.3133/ofr9677
UR  - https://pubs.usgs.gov/publication/ofr9677
ID  - ofr9677
ER  -