is the site of a former lime kiln, and Caledonia, French Creek, Greenwood Furnace, Kings Gap, Mont Alto, and Pine Grove Furnace (plus one former park) are all former iron furnace sites. Eight current parks and one former park contain at least part of eight different National Natural Landmarks. According to the DCNR, the state parks in Pennsylvania are on more than with some 606 full-time and more than 1,600 part-time employees serving approximately 36 million visitors each year. Admission to all Pennsylvania state parks is free, although there are fees charged for use of cabins, marinas, etc. Pennsylvania's state parks offer "over 7,000 family campsites, 286 cabins, nearly 30,000 picnic tables, 56 major recreational lakes, 10 marinas, 61 beaches for swimming, 17 swimming pools" and over 1,000 miles (1,600 km) of trails. History Pennsylvania's first state park was Valley Forge State Park, purchased by the Commonwealth on May 30, 1893 to preserve Valley Forge. It was transferred to the National Park Service (NPS) on the Bicentennial of the United States, July 4, 1976. Many state parks still preserve history: as of 2012, forty-two Pennsylvania state park sites are on the National Register of Historic Places, including two National Historic Landmarks (Delaware Canal and Point), twenty-eight Civilian Conservation Corps sites in nineteen parks, and twelve other parks' historic sites and districts. Eight of the former state parks were also chiefly historic. In addition to preserving historic sites, Pennsylvania also sought to preserve natural beauty and offer opportunities for recreation in its state parks. In 1902 Mont Alto State Forest Park was the second park established, a year after the state "Bureau of Forestry" was set up to purchase, preserve, and restore Pennsylvania's forests, which had been ravaged by lumbering, charcoal production, and wild fires. Parks were added sporadically until the 1930s, some mere camping and picnic areas in state forests, while others preserved unique sites. The 1930s saw a great expansion of parks and their facilities under Governor Gifford Pinchot, who cooperated with President Franklin Roosevelt, despite their being of different political parties. The Civilian Conservation Corps (CCC) established 113 CCC camps in Pennsylvania (second only to California). Using CCC and Works Progress Administration (WPA) labor, the NPS built five Recreation Demonstration Areas, which became Pennsylvania state parks in 1945 and 1946: Blue Knob, French Creek, Hickory Run, Laurel Hill, and Raccoon Creek. The CCC also "fought forest fires, planted