Mount Rushmore climbers to monitor and seal cracks annually. Due to budget constraints, the memorial is not regularly cleaned to remove lichens. However, on July 8, 2005, Alfred Kärcher GmbH, a German manufacturer of pressure washing and steam cleaning machines, conducted a free cleanup operation which lasted several weeks, using pressurized water at over . The flora and fauna of Mount Rushmore are similar to those of the rest of the Black Hills region of South Dakota. Birds including the turkey vulture, bald eagle, hawk, and meadowlark fly around Mount Rushmore, occasionally making nesting spots in the ledges of the mountain. Smaller
Mount Mitchell State Park the main trail at this point and it is one of the highest elevation perennial streams in the Appalachians, flowing through the Spruce-Fir forest. Openings here in the forest surrounded by evergreens resemble such openings near treeline in higher mountain ranges. The park also serves as the finish line for The Assault on Mount Mitchell and the midpoint for the Mount Mitchell Challenge ultramarathon. Mount Mitchell State Park Mount Mitchell State Park is a North Carolina state park in Yancey County, North Carolina in the United States. Established in 1915 by the state legislature, it became the first state park