Kimberley
August 6th 1968 The LAGEOS group flew from Johannesburg to Kimberley in the Northern Cape Province to view the famous diamond mining operation. (Not that we saw any actual diamonds!) The first evidence of the mining operation is the "Big Hole" visible from the air. The Big Hole was an open-air diamond mine dug by hand to a depth of 747 feet (246 m). Excavation began in 1872, and the mine continued to yield until
... read more