Davis, T.L., 1993. Geology of the Columbus Promontory, western Piedmont, North Carolina. in Hatcher, R.D., and Davis, T.L., eds., pp. 17-44. Studies of Inner Piedmont Geology with a focus on the Columbus Promontory. Carolina Geological Society Annual Field Trip November 6-7,1993. Raleigh, North Carolina, Carolina Geological Society. 114 pp. 1 sheet.