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Then they'd be "drilling" a hole, not digging one. (Educational tangent: the deepest hole in the ground is the Kola Superdeep Borehole - https://en.wikipedia.o

Then they'd be "drilling" a hole, not digging one. (Educational tangent: the deepest hole in the ground is the Kola Superdeep Borehole - https://en.wikipedia.org/wiki/Kola_Superdeep_Borehole https://en.wikipedia.org/wiki/Kola_Superdeep_Borehole )

djsumdog 10y ago
oh the nostalgia! I remember learning about this as a kid. Sad that it's all abandoned now.