21.   Music is an aural art, though in an age of the visual such a simple statement of fact has the ring of a major discovery.

22.   Partly it is because many major discoveries turn up in sparsely settled western provinces.

23.   Over the years, the company had average luck in its drilling ventures, but never made a major discovery.

24.   Part of the reason was a potentially major discovery in the Caspian off the shore of Kazakhstan that could double production there.

25.   Scientists are cautious about forecasting a timetable for major discoveries at Sudbury.

26.   The carvings were early fruits of a major new discovery of ethereal Buddhist sculptures from a sixth-century dynasty in that region.

27.   The Canadian mining company announced a major gold discovery and drilling results in northern Chile.

28.   The sale allowed Great Central to go to discover two other major discoveries, the Jundee and Bronzewing gold deposits.

29.   The silver bonanza began in earnest after the Civil War, with major discoveries being made throughout the West.

30.   Then Elf Aquitaine announced a major discovery off the shores of Angola.