That's a preservation purpose: bringing people into this marvelous historic space.

Their probable intent was to treat the wood for preservation purposes.

In 1891 and again in 1979 it was moved a short distance for historic preservation purposes.

In many cases, a library is allowed to make a limited number of copies of an item for preservation purposes.

It is divided into two zones for preservation purposes.

If approved the referendum would also give the state the authority to issue an additional $1 billion in bonds for preservation purposes.

I was wondering if anyone out there knew how to make concentrated amonia for preservation purposes.

The few remaining building walls in the area have been "stabilized" for preservation purposes, but will not be restored.

It also gives the state the authority to issue an additional $1 billion in bonds for preservation purposes.

The master tapes were later baked for preservation purposes.