1957 Standard Oil Refinery Open House Group in front of Charter Bus Man with Megaphone and Hardhat Giving Tour : This is a black and white group photograph in front of a charter bus as a man with a megaphone and hardhat gives a tour. The tour is likely part of the 1957 open house tours of the Standard Oil refinery, celebrating 50 years of Standard Oil Co. in Wood River, Illnois.