Here they are!
Both of these postcards show Bodie, CA. It's a ghost town now, but it used be a gold mining town in the 1860s. The user that sent me these took the photos himself. More info on Bodie can be found here: http://en.wikipedia.org/wiki/Bodie,_California
Golden Spike National Historic Site: Located west of Brigham City, at Promontory Utah, the Golden Spike was driven on May 10, 1869 to celebrate the completion of the first transcontinental railroad.
Sarah Winnemucca (1844 - 1891), Native American rights activist. She gained fame as a translator and negotiator for the U.S. Army. She travel extensively and lectured on behalf of her people and later established a school for Native American children in Nevada.