Photo-a-Day - Aug 2012 - Day 19: Hole
From Wikipedia: It lies at an elevation of about 5,709 ft. above sea
level, is about 4,000 ft. in diameter, some 570 ft. deep, and is surrounded by a rim that rises 150 ft above the
surrounding plains. One of the interesting features of the crater is its squared-off outline, believed to be caused by pre-existing regional jointing (cracks) in the strata at the impact site.
To give a better idea of the crater's size, shape and the desolation of the surrounding area, I downloaded this second photo from on-line: