[Assignment: 48-DPA-04-29-08_SOI_K_NPS_Tenn] Activities at the Great Smoky Mountains Sustainable Tourism Summit, Knoxville Convention Center, Knoxville, Tennessee, where Secretary Dirk Kempthorne [joined Tennessee Senator Lamar Alexander, Great Smoky Mountains National Park Superintendent Dale Ditmanson, Tennessee Department of Tourism Development Commissioner Susan Whitaker, Advisory Council on Historic Preservation Chairman John Nau III, and other dignitaries from federal, state, and local government, nonprofits, and academia. Summit was organized in honor of the 75th anniversary of the Great Smoky Mountains National Park.] [48-DPA-04-29-08_SOI_K_NPS_Tenn_DOI_3971.JPG]