March 2002 by Edgar B. Heylmun, PhDVertical aerial photographs, a form of remote sensing, are invaluable in the search for mineral deposits, and have been used for 60 years for that purpose.
Silver nuggets have been described as “ultra-rare,” “prized” and “unique.” Naturally occurring silver nuggets are rare enough to suggest caution when purchasing. Fakes have reportedly been produced and misrepresented for sale as genuine specimens.
Ultraviolet light is divided into three levels, labeled A, B and C depending on the wavelength, with C having the shortest wavelength and the most energy.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
It was "standing room only" as a crowd of approximately 50 interested miners attended a meeting hosted by the Powers Ranger District and Forest Service personnel from the Siskiyou National Forest.
• Not the best choice of words
• File not found...yet
The Bawl Mill • Our Readers Say • Greens Force Strategic Mine Out of Business • Silver Strike in Happy Camp, California • Gold in New Hampshire • Fabled 1933 Gold Coin Up For Sale • The Douglas Creek Placer District, Medicine Bow Mountains, Southeastern Wyoming • Picks & Pans: The California State Nugget • Mojave Desert Placer Mining • Mining Camp Adventures—The Collinsville-Twin Creek Goldfields • Monetary Freedom and Accountability Act • Company Notes • North Korea Seeks Outside Help to Modernize Mining • Aussie Gold—A Look at Tasmania • Looking Back • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices