Announced United StatesNuclearTests ~ By Date Event Name 0... Date (GCT) :| Location =... : ‘Type. feos.Purpose... Operation Emery -- Continued |. -Yield Range = -os Z Laguna 06/23/71 NTS Shaft WeaponsRelated 20 to 200 kt Harebell 06/24/71 NTS Shaft WeaponsRelated 20 to 200 kt Camphor Accidental release of radioactivity detected on site only 06/29/71 NTS Tunnel Weapons Effects Less than 20 kt ‘Operation Grommet Diamond Mine DoD Event Nuclear test detection experiment 07/01/71 NTS Tunnel Vela Uniform Less than 20 kt Miniata 07/08/71 NTS Shaft Plowshare 83 kt Algodones 08/18/71 NTS Shaft WeaponsRelated 20 to 200 kt Pedernal 09/29/71 NTS Shaft WeaponsRelated Less than 20 kt: Cathay 10/08/71 NTS Shaft Weapons Related Less than 20 kt Cannikin Test of warhead of Spartan missile 11/06/71 Amchitka Shaft WeaponsRelated Less than 5 MT Diagonal!Line DoD Event Accidental release of radioactivity detected off site by aircraft only 11/24/71 NTS Shaft WeaponsEffects Less than 20 kt Chaenactis 12/14/71 NTS Shaft WeaponsRelated 20 to 200 kt Longchamps 04/19/72 NTS Shaft WeaponsRelated Less than 20 kt Misty North 05/02/72 NTS Tunnel WeaponsEffects Less than 20 kt Zinnia 05/17/72 NTS Shaft Weapons Related Less than 20 kt Monero 05/19/72 NTS Shaft WeaponsRelated Less than 20 kt Device development experiment DoD Event -40-