[Assignment: 48-DPA-04-24-08_SOI_K_CC_Bus] Touring bus for Secretary Dirk Kempthorne [and other participants in the U.S. Capitol] press conference announcing the final list of National Park Centennial Challenge projects [to be funded in 2008. The Centennial Challenge is the public-private fund matching element of the President's National Park Centennial Initiative, designed to prepare the National Park system for another century of conservation and preservation in time for the National Park Service's 100th anniversary in 2016.] [48-DPA-04-24-08_SOI_K_CC_Bus_DOI_2564.JPG]