Archival Photo Folder
A2005-005.820.1 - 820.15 : Civil Defense exercise and blast valves
Friday, January 1, 1960
Saturday, December 31, 1960
A2005-005
P/11983
A2005-005.820.1 - 820.15 : Civil Defense exercise and blast valves
Friday, January 1, 1960
Saturday, December 31, 1960
A2005-005
P/11983