Cambrian and Ordovician rocks of southern Arizona and New Mexico and westernmost Texas

Sedimentary, Physical Stratigraphy, Correlation, Petroleum, Natural Gas, Exploration, Locale, Invertebrate, Bolsa Quartzite, [Abrigo Fm][Abrigo Limestone] - Cambrian, Southern Belle Mbr(Southern Belle quartzite), Copper Queen Limestone Mbr, Coronado Sandstone(Coronado Quartzite), [El Paso Fm][El Paso Limestone] - Montoya Group - Cambrian/Ordovician, Second Value Dolomite, Bliss Sandstone,