Finding deep buried treasure or tracing underground cables or pipes with the Fisher Gemini-3. The Fisher Gemini-3 is a dual box metal detector designed to find large metal targets at great depth.
It can also be configured to inject a signal onto buried pipes and cables so that they can be traced on the surface. This book gives you all the inside info on how to achieve very good results in both cases. Includes case studies of found treasure. Stephen Ryland, 54 pages, 6 x 9 inches, soft cover.