Diamond Drilling For Gold And Other Minerals G. A. Denny

Where Gold Mining Had Moved From The Blindly Speculative To A Legitimate Commercial Enterprise, This Is Arguably Considered The First Handbook Regarding The Use Of Diamond Drills. Historical In Nature, Much Of The Content Is Still Pertinent, With Numerous Illustrations: Applicability Of The Diamond Drilling To Auriferous Deposits - Hand Power Drills - Power Diamond Drills - Operation Of Machine And Hand Drills - Incidental Operations In Diamond Drilling - Deflection In Boreholes - Cost Of Diamond Drilling - On The Computation Of The Dip And Strike Of A Formation - Drilling By Contract - The Sullivan Machinery Company's Drills - The Bullock Machinery Company's Drills - Apparatus Used With The Sullivan Drill - Appendix Это и многое другое вы найдете в книге Diamond Drilling For Gold And Other Minerals (G. A. Denny)