TY  - RPRT
TI  - Petroliferous sand of the Chignik formation at Chignik Lagoon, Alaska
AU  - Abraham Samuel Keller
AU  - John T. Cass
PY  - 1956
DO  - 10.3133/ofr5671
UR  - https://pubs.usgs.gov/publication/ofr5671
ID  - ofr5671
ER  -