49,000 Feet Below
These researchers envisioned drilling as far down as 49 000 feet under the surface of the Earth. The ambitious undertaking would require specialist equipment, and digging a series of boreholes to give them the best chance of finding success with more than one cavity. Although everybody thought the Russians would be the firsts to get there, as the history books show, the Americans hadn’t given up completely at that stage and were planning on a new strategy to get them across the finish line.
49,000 Feet Below
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