The park was created to help preserve natural habitat for many species of animals and plants.
"It is a challenge to balance public access with the need to preserve the environment and habitat," he said.
It was created on May 14, 1915 to preserve breeding habitat for several bird species.
It also directed federal land agencies to preserve habitat on their lands.
The refuge preserves natural habitat in four separated areas of the ridge.
At a time when some are proposing to sell national parks, these proceeds could be used to preserve them and other critical habitat.
As so much has been cleared or altered the potential for creating large protected areas to preserve original habitat no longer exists.
Morgan began a campaign to preserve "open space" for people, and habitats for wildlife in 1953.
The park preserves habitat for a koala population numbering in the hundreds.
Local action can also preserve wildlife and habitats.
