TY  - RPRT
TI  - Early Tertiary mollusks from the Powder River Basin, Wyoming-Montana, and adjacent regions
AU  - Dwight W. Taylor
PY  - 1975
DO  - 10.3133/ofr75331
UR  - https://pubs.usgs.gov/publication/ofr75331
ID  - ofr75331
ER  -