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 Rushmore (band) Harum, The Paul Butterfield Blues Band, The Grateful Dead, Steve Miller, Santana, Quicksilver Messenger Service, and Big Brother and the Holding Company. In June 1967 Mount Rushmore played 2 sets at The KFRC Fantasy Fair and Magic Mountain Music Festival; it was just one week before the Monterey Pop Festival which is considered the world's first "Rock Festival". In March 1968 Dotzler left to join local band Phoenix, and was soon followed by Phillips and Levin. Bolan and Kimble added Glenn Smith and Travis Fullerton to the line up and the group made two albums. Warren B. Phillips was the