Great Nature (1933-1945) - Preview
- Aired: 10/01/2009
- Rating: NR
Encounter the growing numbers of visitors to the parks and those who advocate for park expansion. 9/6/2013
Major funding is provided by General Motors, Evelyn & Walter Haas,Jr. Fund, CPB; Bank of America; The Arthur Vining Davis Foundations; Park Foundation, Inc; PBS; National Park Foundation; The Peter Jay Sharp Foundation and the Pew Charitable Trusts.