In today's NY Times at http://www.nytimes.com/2010/08/11/arts/ ... l?_r=1&hpw

"....Not much from the first 10 years of Carson’s “Tonight Show” (he took over in 1962) has survived, having been destroyed in an era when no one contemplated the possibility of home video. But the existing tapes, along with a complete library of shows from 1973 on, were kept in storage — and this is not a joke from a Carson monologue — in a salt mine in Kansas.

During the past year Deluxe Archive Solutions, a media preservation and management company, has digitized and transcribed these materials, using a labor force of about 2,000 people, the company’s vice president, Tyler Leshney, said.

The result is a Web archive where users can call up countless moments of television history with just a couple of keystrokes...."