Under an act of Congress in 1983, the tribe is permitted to add 1,000 acres.

The land became a national park in 1956, and over the years the government added a couple thousand more acres.

Last year, it added 657 acres to its list of protected parcels.

The move allowed the plaza the opportunity to add four acres and 59,000 square feet of new commercial space.

This change added 18,790 acres and nine vineyards to the area.

I write a book for no other reason than to add three or four hundred acres to my magnificent estate.

The Army added 250 acres to the site in the course of its use.

Since 1964, it has added 48,000 new acres of public open space.

The Government's program to add 107,000 acres has also gone slowly.

The city has added many acres of parkland since the 1988 referendum.