The Pulaski was created in the years just following the 1910 Big Burn by U.S. Forest Service Ranger Ed Pulaski, and it continues to be used by wildland firefighters to this day.
Though the policies and attitudes towards managing wildfires have evolved over the last century, the destructive power of fire remains constant.
Browse a photo gallery of the men who fought the Big Burn in 1910 and helped make the U.S. Forest Service what it is today.
Harper's Weekly reported on the progress of the transcontinental railroad throughout its construction.
Mark Twain chronicled his experiences living and working out West in his book Roughing It, published in 1872.