Once the machine is set up...i think it can go as fast as 10m per hr....goole it...http://books.google.com.au/books?id=1Od9MLUhpAgC&printsec=frontcover&dq=how+long+does+it+take+to+drill+450m%3F#v=onepage&q&f=false
DMN Price at posting:
0.4¢ Sentiment: Buy Disclosure: Held