TY  - RPRT
TI  - Paleontologic data on the age of the Orca Group, Alaska
AU  - George Plafker
AU  - Gerta Keller
AU  - J.A. Barron
AU  - J. R. Blueford
PY  - 1985
DO  - 10.3133/ofr85429
UR  - https://pubs.usgs.gov/publication/ofr85429
ID  - ofr85429
ER  -