The 8 foot diameter steel pipe that was used to place the bomb remains at the test site.
The top of the pipe was originally flush with the surface; however, the ground sank by nine feet following the explosion.
[5] The USSR conducted a similar salvo-test to investigate the use of nuclear explosions in the construction of the Pechora–Kama Canal project.
On March 23, 1971, three simultaneously detonated 15 kiloton underground nuclear charges were exploded in the Taiga test.
[6] Rickey was the first Los Alamos test to use a television PINEX (pin-hole neutron experiment) system.