MAKE AN OFFER. THE MORE YOU BUY THE BETTER DEAL I WILL ACCEPT The postcard is from Uravan, Colorado, a town located in the San Miguel River valley in the Colorado plateau region, known for being America's most busy uranium district. The town is home to a large mill for reducing uranium ore. The postcard mentions the hot, dry summer in Uravan in 1956, describing it as a nice place despite the weather.