TY  - RPRT
TI  - Geology and paleontology of Canal Zone and adjoining parts of Panama; geology and description of Tertiary mollusks (gastropods: Trochidae to Turritellidae)
AU  - W. P. Woodring
PY  - 1957
DO  - 10.3133/pp306a
UR  - https://pubs.usgs.gov/publication/pp306A
ID  - pp306A
ER  -