TY  - RPRT
TI  - Selected stratigraphic sections of Cambrian and Ordovician rocks in Arizona, New Mexico, and western Texas
AU  - Philip Thayer Hayes
PY  - 1975
DO  - 10.3133/ofr75178
UR  - https://pubs.usgs.gov/publication/ofr75178
ID  - ofr75178
ER  -