Kenny, Ray, Knauth, L.P., and Horodyski, R.J., 1990, Isotopic, field and micropaleontologic study of the Proterozoic Beck Spring (CA.) and Mescal (AZ.) Formations: Evidence for Precambrian terrestrial photosynthetic communities [abs.]: Geological Society of America Abstracts with Programs, v. 22, no. 7, p. A191.
Geological Society of America Abstracts with Programs, v. 22, no. 7, p. A191.
Paleontology, Geobiology, Karst, Paleoenvironment, Paleoecology, Microfossil, Isotope Geochemistry, [Mescal Fm][Mescal Limestone] - Apache Group - Middle Proterozoic,