By the dawn of the 19th century, tuberculosis had killed one in seven of all people that had ever lived. Browse images of America's fight against the deadly disease.
In the early 1900s, President Theodore Roosevelt worried that unless America's forests were protected and regulated, the nation's forests would soon disappear.Â
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.
