During his career he raised over $20 million dollars to preserve natural areas.

The state ownership of the area helped preserve large areas for the future park.

In 1983 a group of concerned locals started a campaign to preserve the area.

They have preserved the historic area some of which is described on.

It does not preserve or enhance the area in any way.

It was founded in 1992 to preserve natural and cultural areas.

A movement began in 1899 to preserve the unique area of the dunes.

The Society united with other environmental groups to encourage the state government to begin a coordinated effort to preserve significant natural areas.

He preserved large areas of his property especially for hunting and fishing.

He worked to preserve areas and directed excavations across the country.