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The Robert S. Kerr Lock and Dam, proposed for construction on the Arkansas River about 395 miles above the junction of the Mississippi and White Rivers, will provide a navigable pool for 37 miles upstream to Webbers Falls Lock and Dam. The project comprises a nonnavigable gated dam with eighteen 50-ft-wide by 44-ft-high tainter gates, a 110- by 600-ft lock on the left bank with a maximum lift of 48 ft, and a four-unit powerhouse with a 110,000-kw generating capacity on the right bank. A 1:120-scale, fixed-bed model, reproducing approximately 3.3 miles of the Arkansas River, was used to determine flood stages at the dam, navigation conditions in the lock approaches, and tendencies for sediment deposition in the lower lock approach, and to develop modifications required to provide satisfactory navigation conditions. The investigation has resulted in the development of modifications in the original design required to produce satisfactory navigation conditions in the approaches to the lock. (Author).
Lock and Dam No. 14, proposed for construction on the Arkansas River, will provide a navigable pool extending upstream about 20 miles to the Robert S. Kerr Dam. The investigation, concerned with the study of navigation conditions in the approaches to the lock with the proposed design and with the development of modifications required to produce adequate channel depths and to overcome or minimize the effects of any adverse navigation conditions, was conducted on an undistorted, 1:120-scale, semifixed-bed model, reproducing about 3.4 miles of the Arkansas River and adjacent overbank area including Bruce Island and Cherokee Chute and the lock and dam structures. (Author).