A total of 2830 m of percussion drilling in 101 holes, 17,400 m of rotary drilling in 283 holes, and 9,400 m of reverse circulation drilling in 160 holes had been completed.
March 31, 1992
A total of 2830 m of percussion drilling in 101 holes, 17,400 m of rotary drilling in 283 holes, and 9,400 m of reverse circulation drilling in 160 holes had been completed.