TY  - RPRT
TI  - Summary of microfossil investigations, April 1948 to April 1949, with special reference to the Barrow and Simpson areas, 1949
AU  - H.N. Loeblich
PY  - 1954
DO  - 10.3133/ofr54172
UR  - https://pubs.usgs.gov/publication/ofr54172
ID  - ofr54172
ER  -