[Assignment: 48-DPA-07-26-07_SOI_K_OSM_30_Tree] Ceremonial planting of blight-resistant American chestnut tree, [outside the headquarters of the Office of Surface Mining Reclamation and Enforcement (OSM) at Interior,] to mark OSM's 30th anniversary. [Among dignitaries participating in the event were Secretary Dirk Kempthorne, OSM Appalachian Region Director (soon to become OSM Director) Brent Wahlquist, National Mining Association President and Chief Executive Officer Kraig Naasz, and American Chestnut Foundatiion President Marshal Case.] [48-DPA-07-26-07_SOI_K_OSM_30_Tree_IOD_9967.JPG]