Carboniferous Biostratigraphy, Western San Saba County, Texas
Robbie Rice Gries, B.S. Thesis
The University of Texas at Austin, May 1971. In the PRC-122 library.
Appendix A - Measured Sections: Names, Localities, Previous Workers - includes section abbreviates like AT, EH, MR, etc.
These sections were correlated by Rice and corespond to sections studied in the papers listed.