This image of the Nevada flag is in the Public Domain and can be used freely. If you use it on a webpage, a link to http://ourworldflags.com/Nevada would be very much appreciated.

The first flag of Nevada was created by Governor John Sparks and Col. Harry Day in 1905. It was based strongly on Nevada's natural resources of gold and silver. The blue of the flag was based directly on the color of the Flag of the United States.