11/10/2006
https://www.presidency.ucsb.edu...
"I call upon all the people of the United States to join me in recognizing the importance of national parks and to learn more about these areas of beauty and their historical importance."
"You served as symbols of unity and strength and determination."
"We have a duty in our country to make sure our land is preserved, our air is clean, our water is pure, our parks are accessible and open and well-preserved."
"We honor these men and women who embody these values for America and for the world."