A thunderhead is a cumulonimbus cloud seen during a thunderstorm. Spenoza Thunderhead&colon; A member of the Meijia tribe who uses the thunder spirit, Bolvick. The Thunderhead sandstone was thrust over Roaring Fork sandstone several hundred million years ago. The mountain is underlain by Thunderhead sandstone, which is common throughout the Smokies. Thunderhead Mountain is situated between Custer and Hill City. From the Anthony Creek trailhead, it is approximately to the summit of Thunderhead. From the Lead Cove trailhead, it is approximately to the summit of Thunderhead. The settlement was located along Thunderhead Prong, near Chimney Rocks. From Spence Field, it is approximately to the summit of Thunderhead. Thunderhead returns and lifts the mare's spirits. Speed's main car for races on the WRL track (Thunderhead, etc.) is the Mach 6. He was buried at the base of Thunderhead Mountain where his sculpture was created. The character of Nora Kelly first appeared in Child and Preston's thriller novel "Thunderhead" (1998). However, the Thunderhead can communicate with others. Park strategy at present is to allow Thunderhead to return to its natural state.