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 Holyoke Range State Park trails. A visitors center is located near "The Notch" on Route 116 in Amherst. Picnicking and restricted hunting are also offered. Mount Holyoke Range State Park Mount Holyoke Range State Park is a state-owned, public recreation area encompassing the eastern half of the Holyoke Range in the Pioneer Valley region of Massachusetts. The state park is adjacent to J. A. Skinner State Park, which occupies the western half of the Holyoke Range. Both are managed by the Massachusetts Department of Conservation and Recreation. Resource Management Plan: Mount Holyoke Range Planning Unit, Department of Conservation and Recreation, July 2013, p. 16