GOLD Bryant, Tom PROS The modern goldseekers manual. Bedrock Supply,1990.
GOLD Harder, Emmett PROS These canyons are full of ghosts: the last of the Death Valley
GOLD Klein, James PROS Where to find gold in the desert. Gem Guides, 1994.
GOLD Osborn, H. S. PROS The prospector’s field book and guide. Lost Technology Series, 1901, 1987.