At the time it was the largest bomb shelter in California equipped with an operating room , 60 - bed hospital and a shooting range .
Below Arvin High School is a large Cold War bomb shelter constructed in the early 1950s .
At the time Arvin High School was the largest bomb shelter in California equipped with an operating room , 60 - bed hospital and a shooting range .
Below Arvin High School is a large Cold War bomb shelter constructed in the early 1950s .