Bulletin 6106 by C. A. Armstrong and L. G. McMillion | October 1961

• Bulletin 6106 (pdf - 3.57MB) - Geology and Ground-Water Resources of Pecos County, Texas
• Volume I Includes Records of Wells
• Volume II Drillers Logs, Water levels in Wells, and Chemical Analyses of Water
• Geologic Cross sections
• map plates (four figures in one pdf)