11/03/1988
https://www.presidency.ucsb.edu...
"We're committed to putting it [our national heritage] to the best possible use for the American people."
"I urge all Americans to join with our good neighbors in Canada in observing this Anniversary."
"Most important of all, we have learned that the Federal government has played an important role in protecting and preserving natural resources, but that it has not acted and should not act alone."
"We have shown people everywhere that we have the environmental awareness, the political will, and the technical understanding necessary to resolve the resource use conflicts."