TY  - RPRT
TI  - Progress of microfossil investigations, Naval Petroleum Reserve No. 4, Alaska, 1947
AU  - H.N. Loeblich
PY  - 1954
DO  - 10.3133/ofr54168
UR  - https://pubs.usgs.gov/publication/ofr54168
ID  - ofr54168
ER  -