U.S. Rep. Steven Horsford, D-Nev., speaks during an event to celebrate the passage of legislation by Congress that designates Tule Springs as Nevada’s only national monument at the Las Vegas Pai …

U.S. Rep. Steven Horsford, D-Nev., speaks during an event to celebrate the passage of legislation by Congress that designates Tule Springs as Nevada’s only national monument at the Las Vegas Paiute Resort Monday, Dec. 22, 2014. Jill DeStefano, president of the Protectors of Tule Springs, said she plans to offer guided tours starting in the spring. (Erik Verduzco/Las Vegas Review-Journal)