TY  - RPRT
TI  - Cambrian and Ordovician rocks of southern Arizona and New Mexico and westernmost Texas
AU  - Philip Thayer Hayes
AU  - George C. assisted by Cone
PY  - 1975
DO  - 10.3133/pp873
UR  - https://pubs.usgs.gov/publication/pp873
ID  - pp873
ER  -