The Manhattan Project Resources

U.S. Department of Energy

HSS Office of Classification

Office of History and Heritage Resources

Expanded Test Information for Nuclear Detonations Redefined as Nuclear Tests

Expanded Test Information for Nuclear Detonations Redefined as Nuclear Tests

United States Department of Energy


CREW-2ND and CREW-3RD

                           CREW-2ND               CREW-3RD
                           ---------------------  -------------------
Date                       November 4, 1968       November 4, 1968

Time of Detonation (PST)   7:16 a.m.              7:16 a.m.

Location                   Nevada Test Site       Nevada Test Site
                           Yucca Flat             Yucca Flat
                           Area 2                 Area 2

Type                       Shaft                  Shaft

Purpose                    Weapons Related        Weapons Related

Yield Range                Less than 20 kt        Less than 20 kt

Depth of Burial            360 meters             360 meters
                           1,181 feet             1,181 feet

Sponsoring Agency          Department of          Department of
                           Energy                 Energy

Sponsoring Laboratory      Lawrence Livermore     Lawrence Livermore
                           National Laboratory    National Laboratory

----------------------------------------------------------------------
Miscellaneous Information  Simultaneous, same hole
* Event name and date previously announced.
June 20, 1994


HOD-C (BLUE)

                             HOD-C (BLUE)
                             --------------------------------- 
Date                         May 1, 1970

Time of Detonation (PDT)     5:25 a.m.

Location                     Nevada Test Site
                             Yucca Flat
                             Area 9

Type                         Shaft

Purpose                      Weapons Related

Yield Range                  Less than 20 kt

Depth of Burial              101 meters
                             331 feet

Sponsoring Agency            Department of Energy

Sponsoring Laboratory        Lawrence Livermore
                             National Laboratory

----------------------------------------------------------------------
Miscellaneous Information    None
June 20, 1994


FLAX-SOURCE

                             FLAX-SOURCE
                             -----------------------------------
Date                         December 21, 1972

Time of Detonation (PST)     12:15 p.m. (more than 0.1 second of
                             Flax-Test and Flax-Backup)

Location                     Nevada Test Site
                             Yucca Flat
                             Area 2

Type                         Shaft

Purpose                      Weapons Related

Yield Range                  Less than 20 kt

Depth of Burial              689 meters
                             2,261 feet

Sponsoring Agency            Department of Energy

Sponsoring Laboratory        Lawrence Livermore
                             National Laboratory

----------------------------------------------------------------------
Miscellaneous Information    None
June 20, 1994


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