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 Tamalpais State Park Mount Tamalpais State Park Mount Tamalpais State Park is a California state park, located in Marin County, California. The primary feature of the park is the Mount Tamalpais. The park contains mostly redwood and oak forests. The mountain itself covers around . There are about of hiking trails, which are connected to a larger, network of trails in neighboring public lands. The park received 564,000 visitors in . Muir Woods National Monument is surrounded by the state park. From the peak of the mountain, visitors can see up to , in a view that encompasses San Francisco, most of the