This series pertains to Edward M. Cape’s position as General Counsel for the Guadalupe and Blanco River Authority (GBRA). This series contains correspondence and letters with associates including Lyndon B. Johnson, W. S. Gideon, Walter Jenkins, Homer Thornberry, Alvin Wirtz, John B. Connally, J. J. Pickle, James Allred, and Price Daniel. It also contains correspondence with companies including the Texas Water Conservation Association, the Texas Power Corporation, Central Power and Light, the Lower Colorado River Authority, the Public Works Administration, the Securities and Exchange Commission, Brown and Root, and the Army Corps of Engineers. Other materials include reports, applications and contracts, transcripts and statements, permits, legal filings, proposals and presentations, organization charts, meeting minutes, agendas, appointment books, legal briefs and other evidentiary material, land surveys, lists, and notes. Much of this material pertains to hydroelectric power and electrification in Central Texas especially the San Antonio, Texas and New Braunfels, Texas areas; the planning, history and construction of dams and reservoirs especially Canyon Dam and the Gonzales Reservoir Project; financing issues and bond proposals for funding the projects; drainage basin, aquifer, and river problems and programs to aid in minimizing flood damage and increasing flood control; and water resource management, conservation, and quality control pertaining to local rivers, lakes, and watersheds.