http://en.wikipedia.org/wiki/Kola_Superdeep_Borehole
WTFacts.org f
From 1979 to 1992 Soviets drilled a stipe? deep bote tftat reached lb,262m (40,1^^t) just to seeihoWKfbep they
W	-S	M	V	wt
could drills* mw |,in soviet russia