Document: Modified S. 75, Draft, 2/2/65, page 5TITLE III -- AUTHORIZED UNITS: PROTECTION OF EXISTING USES Sec. 301. In order to initiate the Lower Colorado River Basin Project, herein referred to as the "Project", and to further the comprehensive development of the water resources of the Colorado River Basin the Secretary shall construct, operate and maintain the units of the project described in Sections 302, 303, 304, 305, and 306. Sec. 302. The mainstream reservoir unit shall consist of the Bridge Canyon and Marble Canyon projects, including dams, reservoirs, powerplants, transmission facilities, and appurtenant works, and the Coconino and Paria River silt-detention reservoirs: Provided, That (1) Bridge Canyon Dam shall be constru...