Knoxville, TN;: Tennessee Valley Authority, 1948. Card stock with cloth spine. Item #40232
Technical Monograph No. 61. The first 4 pages are the contents. The next 11 pages lists the drawings. The remaining 138 pages are foldout sheets with several maps and the rest are diagrams of locks, powerhouses, dams, substructures, gates, etc. Bound in original soft card covers with brown cloth spine. A fine copy.