Phillips, Keith R. and Teng, Judy. "Groundwater Markets Slowly Evolve in Ever-Thirstier Texas," in Federal Reserve Bank of Dallas. "First Quarter 2020," The Southwest Economy (February 2020) : 7-11. https://fraser.stlouisfed.org/title/6378/item/609012/toc/609866 , accessed on May 7, 2024.