The New Castle study eventually led to a preservation plan and creation of the historic commission.

This event awakened many historians, librarians, and other professionals to the importance of having a preservation plan.

However, on December 26, 2007, a section of the north wing collapsed, adding an urgency to preservation plans.

The original preservation plan called for the college to be protected by a steel and glass canopy.

Does the library have a preservation plan in its collection management policy?

The excavation and construction proceeded without a detailed research and preservation plan.

Another complication is figuring out who owns what and getting all of the property holders to support a preservation plan.

But it needs $500,000 to $1 million worth of restoration, according to a preservation plan prepared several years ago.

His organization is playing a key role in the effort to develop a preservation plan.

Meanwhile, he is completing a preservation plan for prison authorities, so they will not unwittingly destroy important landmarks.