"Planning for the Border's Future: The Mexican-U.S. Integrated Border Environmental Plan," by Jan Gilbreath Rich. U.S-Mexican Occasional Paper No. 1, U.S.-Mexican Policy Studies Program, LBJ School of Public Affairs, The University of Texas at Austin, March 1992.

"Planning for the Border's Future: The Mexican-U.S. Integrated Border Environmental Plan," by Jan Gilbreath Rich. U.S-Mexican Occasional Paper No. 1, U.S.-Mexican Policy Studies Program, LBJ School of Public Affairs, The University of Texas at Austin, March 1992., Box: LAC. Rodman C. Rockefeller Records of the Mexico-U.S. Business Committee, 2005-09. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/376558 Accessed September 26, 2026.