Pop's Oasis Casino was the first casino in Jean. The Oasis closed in 1988.
The welcome center was moved to Primm, NevadaPrimm in early 2000. The welcome center was converted to an NHP substation in 2004.
The median between the Nevada Landing Hotel and Casino and the Gold Strike Hotel and Gambling Hall was the scene of the worst single-vehicle accident in southern Nevada history (at that time), when a van with 13 people flipped over and eight people were killed. The accident occurred in March of 2000.
Source:
http://en.wikipedia.org/wiki/Jean%2C_Nevada