Map of locality in Texas.
Generalised Stratigraphic Section (not to scale).
The paleoenvironment, reconstructed from the fossil flora and depositional profiles, was warm temperate to cool subtropical. These sediments have been dated by stratigraphic means as Oligocene in age.
Please see these references for further information:
Daghlian, C. P., W. L. Crepet, and T. Delevoryas, 1980. Investigations of Tertiary Angiosperms: A New Flora Including Eomimosoidea plumosa from the Oligocene of Eastern Texas. American Journal of Botany 67 (3): 309-320.
Galloway, W. E. 1977. Catahoula Formation of the Texas Costal Plain: depositional, systems, composition, structural development, ground-water flow, history, and Zuranium distribution. University of Texas Bureau of Economic Geology Report. Invest. 87.
Wilson, J. A. , 1957. 8: Early miocene Entelodonts, Texas Coastal Plain. American Journal of Science, 255: 641-649.