Breaking The Record
Despite the fact that Lone Star failed to find what it was looking for, it remained the world’s deepest hole for another five years. On June 6, 1979, one of the Kola boreholes known as SG-3 broke the record. By 1983, the nine-inch-wide hole had penetrated 39,000 feet beneath the planet’s surface.
Breaking The Record
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After That Milestone
The Kola Peninsula researchers have taken a break from their work now that they have attained this significant milestone. They took a year off from working on it to allow a variety of visitors to come and see the breathtaking site.
After That Milestone
