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 Washington State Forest Mount Washington State Forest Mount Washington State Forest is a publicly owned forest with recreational and scenic features covering in the town of Mount Washington, Massachusetts. The forest conjoins with New York state and the state of Connecticut in the southern Taconic Mountains of the southwestern Berkshire region of Massachusetts. Bash Bish Falls State Park lies adjacent to the state forest. The forest is managed by the Massachusetts Department of Conservation and Recreation. The forest was acquired by the state through gifts of Alfred F. Intemann (1897-1986) and his wife Cornelia Van der Smissen Intemann (who died in 1963) conveyed