 One leaves from near the comfort station in the campground, and the other begins across the highway from the contact station.The park's land was given to the state in 1933 by William J. Wilgus, an engineer best known for his work in the design and construction of New York City's Grand Central Terminal.The park's early infrastructure was built out by crews of the Civilian Conservation Corps, a Depression-era works project, in 1935 and 1936.