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 Everett State Reservation Mount Everett State Reservation Mount Everett State Reservation is a public recreation area in the towns of Mount Washington and Sheffield, Massachusetts, that offers panoramic views of Massachusetts, Connecticut, and New York from the summit of Mount Everett. The reservation abuts Jug End State Reservation and Wildlife Management Area; Bash Bish Falls State Park and Mount Washington State Forest lie to the west. All are managed by the Massachusetts Department of Conservation and Recreation. The state legislature established the Mount Everett Reservation Commission in 1908. The commission was provided a fund of $5000 to purchase land in the towns of