A bill to authorize the Secretary of the Interior to construct, operate, and maintain modifications of the existing Buffalo Bill Dam and Reservoir, Shoshone project, Pick-Sloan Missouri Basin program, Wyoming, and for other purposes.

[AI summary unavailable — showing source text] Authorizes the enlargement of the Buffalo Bill Dam and Reservoir, Wyoming, for various purposes, including water supply, recreation, fish and wildlife conservation, and environmental quality. Requires that repayment contracts for the costs of municipal and industrial water supply be negotiated prior to construction of such facilities. Authorizes the Secretary of Energy to construct transmission interconnections as necessary to interconnect the hydroelectric powerplant authorized by this Act with existing power systems. Authorizes appropriations: (1) for modifications to such dam; and (2) of such sums as may be required by the Secretary of Energy. Authorizes the Secretary of the Interior to acquire by donation, purchase, or exchange, lands within the Polecat Bench Area for the construction of works in such area. Requires the Secretary, when disposing of such lands, to retain a reservation of a lien for water charges, mineral rights, and certain right-of-way. Directs that all moneys received from the disposition of such lands be deposited in the Federal Reclamation Fund to the credit of the Polecat Bench Area. Authorizes appropriations to carry out such land acquisitions.…