Geologic map of Canal Zone and adjoining parts of Panama / compiled by W.P. Woodring.-
Washington, D.C.,1955
Geology and paleontology of Canal Zone and adjoining parts of Panama/ W. P. Woodring
,1957-82
Geology and paleontology of the Santa Maria District, California : Including a summary
of the geologic features of producing and potential oil fields / W. P. Woodring and
M. N. Bramlette, 1950
LCNA