1.
Rockpecker: A Mineral Prospector's Primer: Secrets, Clues, Tips, Hints, Data & Tricks of the...
by LaRune, T. D., Worth, M. S....
ISBN: 9781886499003
List Price: $36.00
2.
LaRune's Rockpecker Notes : "A Mineral Prospector's Primer"
by LaRune, T. D., BOyd, Fanci
ISBN: 9781886499010
List Price: $29.00