Advanced Dredging Techniques part 1 & 2 by Dave McCracken
Advanced Dredging Techniques Part 1: Finding and Recovering Pay-streaks and Advanced Dredging Techniques Part 2: The Right Approach. Part 1 ISBN 9780963601544. Part 2 ISBN 0963601563.
Advanced Dredging Techniques Part 1: Finding and Recovering Pay-streaks and Advanced Dredging Techniques Part 2: The Right Approach. Part 1 ISBN 9780963601544. Part 2 ISBN 0963601563.