“Under the program, developers would acquire a right-of-way to build on U.S. Bureau of Land Management property and then pay royalties to the government. Payment levels are based on the amount of acreage involved and the value of the right-of-way, Salazar said.”
http://www.lasvegassun.com/news/2012/oct/12/60400-acres-nevada-designated-solar-energy-zones/
Also,
http://www.seia.org/news/nevada-now-home-federal-solar-demonstration-zone
additional background: http://www.lasvegassun.com/news/2010/dec/23/zones-data-plentiful-almost/
see the photo gallery too.
And oh, download & save EVERYTHING.