overturn a designation of national monuments action by Bill Clinton. MSLF's sources of funding have included Texaco, U.S. Steel Phillips Petroleum and ExxonMobil corporations and Castle Rock Foundation. Notable employees Notable past employees include: Clint Bolick – Justice on the Supreme Court of Arizona. Jon Kyl – former United States Senator from Arizona Chip Mellor – Former President and General Counsel of the Institute for Justice Gale Norton – 48th United States Secretary of the Interior James G. Watt – 43rd United States Secretary of the Interior William Perry Pendley — former Acting Director of the Bureau of Land Management Steven J. Lechner — Deputy Chief Administrative Judge, Interior Board of Land Appeals References External links Profile by "Charity Navigator" Organizational Profile – National Center for Charitable Statistics (Urban Institute) Non-profit organizations based in Colorado Organizations established in 1976