'This lake contains one-fifth of the Earth's non-frozen fresh water and about four-fifths of the USSR's'
Lake Baikal (the deepest)
THE SOVIET UNION: This lake contains one-fifth of the Earths non-frozen fresh water and about four-fifths of the USSRs
This lake contains one-fifth of the Earth's non-frozen fresh water and about four-fifths of the USSR's
This lake contains one-fifth of the Earth's non-frozen fresh water and about four-fifths of the USSR's
THE SOVIET UNION
Lake Baikal the deepest
THE SOVIET UNION