Historical Marker
Johntown
Historical marker location:
Silver City, Nevada
( Marker is at the intersection of Occidental Grade (State Highway 341) and Old Dayton Toll Road on Occidental Grade.)
Marker installed: 1967
(Site One Mile Down Gold Canyon).
Las Vegas was once home to atomic bomb testing: During the 1950s, Las Vegas was a popular site for atomic bomb testing. The mushroom clouds from the explosions could be seen from the Strip.