The ordovician symposium
Series: Its [Guidebook to the annual field trip] -- no. 3
Published: 1969
Place of publication: El Paso, Texas
Language: eng
Number of pages: 162
Subjects: Stratigraphic Geology; Geology
Notes: "El Paso Geological Society and Permian Basin Society of Economic Paleontologists and Mineralogists, February 22, 1969."