article_snippet: Photographs of Yosemite's iconic Half Dome peak have revealed the astonishing extent of California's historic drought.
article_snippet: A photo taken by a Yosemite Conservancy webcam on March 19, 2011 shows Yosemite's Half Dome peak covered with snow .
article_snippet: The photographs were taken by the Yosemite webcam provided by Yosemite Conservancy, which is funded by donations.