Since its establishment in 1937, Black Moshannon State Park has undergone many changes. In 1941, Governor Arthur James announced plans to expand the park to by annexing surrounding state forest land. "Black Moshannon Airport" was built on land taken from the state park and Moshannon State Forest just prior to the Second World War, was operational by 1942, and renamed "Mid-State Airport" in 1962. As of 2020, it is officially known as "Mid-State Regional Airport" and covers . While the airport was designated a Keystone Opportunity Zone to encourage business growth, there are limitations in state law that prohibit any further development on park or forest lands.