Developers are expressing interest in the site, which contains adozen buildings that have been built between 1916 and the 1960s,says David Kimberly, who heads Gates' corporate real estate. Thesite includes 2.3 million sf of buildings. Gates would like tolease back 200,000 sf to 400,000 sf of the industrial space for itsworkforce, which mostly is engaged in research and development.

Real estate experts believe the development could fetch in theneighborhood of $100 million. Kimberly says he isn't putting aminimum price tag on the property because he doesn't want toinfluence the bidding. Experts believe the land is prime materialfor a $1-billion plus mix of office, housing and retaildevelopment. It is the third largest available tract in Denver,outdistanced only by the former Stapleton International Airport orclosed Lowry Air Force Base.

The acreage is positioned at the confluence of light rail lines,making it a prime for a high-density, transportation-orientedproject, officials say.