1. Adams, J.E. (1954). Mid-Paleozoic paleogeography of central Texas. In San Angelo, Geological Society Guidebook, Cambrian (1st) Field Trip—Llano area, pp. 70–73.
2. Barker, D. S., & Reed, R. M. (2010). Proterozoic granites of the Llano Uplift, Texas: A collision–related suite containing rapakivi and topaz granites. GSA Bulletin, 122(1–2), 253–264.
3. Barnes, V.E., & Bell, W.C. (1977). The Moore Hollow Group of Central Texas. University of Texas at Austin, Bureau of Economic Geology, Report of Investigations no. 88.
4. Barnes, V., Bell, W.C., Clabaugh, S.E., Rodda, P.U., & Young, K. (1972). Geology of the Llano Region and Austin Area. Field Excursion: Guidebook Number 12, Bureau of Economic Geology, p. 75.
5. Bonham-Carter, G. E. (1994). Geographic information systems for geoscientists, modeling with GIS. New York: Pergamon.