The National Park Service is seeking a contractor to operate Guided Water Tours, Food & Beverage, and Retail Services at Lake Mead National Recreation Area under a new 10-year concession contract. The performance location is specified as Lake Mead National Recreation Area. Interested parties must submit a Notice of Intent to Propose by a specified deadline. Proposals must be submitted electronically by a specified deadline and in a required format. The solicitation has been amended with a Q&A document, and the full prospectus is available online.