Newton has mounted ballets for many other companies and has staged his own production of Swan Lake, Act III for the Pennsylvania Ballet. He retired from The Royal Ballet in 2001 and now works internationally as a freelance teacher, mainly staging the Ashton repertory.ewton has mounted ballets for many other companies and has staged his own production of Swan Lake, Act III for the Pennsylvania Ballet. He retired from The Royal Ballet in 2001 and now works internationally as a freelance teacher, mainly staging the Ashton repertory.
Silver mining in Colorado. Silver mining in Colorado has taken place since the 1860s. In the past, Colorado called itself the Silver state. (Nevada also calls itself the Silver state. Idaho, however, actually produces the most silver in the US.)
Erie, Colorado claims the first mining labor union in Colorado, which was the Knights of Labor, Local No.771, established in 1878. The Knights of Labor opposed the creation of the National Federation of Miners and Mine Laborers during the 1880s. The first strike was called in 1885 by the Knights of Labor.