July 16 Headed East on Rt 16 to Buffalo, Wyoming where we pickup up I90E. Then picked up Rt 85S in S. Dakota to Deadwood. Toured Deadwood some. Saw Calamity Jane and Wild Bill Hickok's graves and then Continued on Rt 385S to Custer, S. Dakota. Near dark we saw a herd of Elk crossing the road that had maybe 50 of them.