US Forest Service, "Grey Towers National Historic Site. Historical Information."

http://www.fs.fed.us/na/gt/local-links/historical-info/gifford/gifford...

This is the website of the ancestral home of Gifford Pinchot. Now a national historic site it is open for public tours. The page of historical information on Gifford Pinchot provides background information on this progressive leader. Pinchot was not only the first chief of our National Forest Service and a conservationist, he also served as Pennsylvania's Governor twice.

Referenced in:
The Most American Thing in America: The Chautauqua