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 Grace State Forest Mount Grace State Forest Mount Grace State Forest is a publicly owned forest with recreational features located in the town of Warwick. The state forest centers around Mount Grace, which at is the third highest point in Massachusetts east of the Connecticut River after Mount Wachusett and Mount Watatic. It is bordered by portions of Warwick State Forest to the east and west and is managed by the Massachusetts Department of Conservation and Recreation. Mount Grace is said to be named after the baby daughter of Mary Rowlandson, a woman captured by Wompanoag warriors during King Philip's War, who according