Question: Not including Arizona, what U.S. State's border is on Lake Mead located near the Hoover Damn?
Sentence (from "Lake Mead National Recreation Area"): Operated by the National Park Service, Lake Mead NRA follows the Colorado River corridor from the westernmost boundary of Grand Canyon National Park to just north of the cities of Laughlin, Nevada and Bullhead City, Arizona.
Relevant evidence: No