Box Hole

Box Hole

[′bäks ‚hōl]
(geology)
A meteorite crater in central Australia, 575 feet (175 meters) in diameter.
References in periodicals archive ?
Mounts in existing NAVSEA junction box hole patterns
This ore has been stock piled and was developed from a 130-foot-long exploration drift and box holes that tested the upward extension of the vein.
This muck was developed from a 130' long exploration drift and four (4) box holes that test the upward extension of the vein.