Ask the Experts
October 2012 by Chris RalphGood questions...from A to Z...
Q: Graphite spray to prevent sticking when using cast iron molds
Centrifugal bowls versus jigs
The Bawl Mill • Our Readers Say • Ask the Experts • Cold Alaskan Gold—Part II • Dredging Backwards? • Tips for Detecting Old Hydraulic Pits • The Verde Copper-Gold-Silver-Zinc District, Jerome, Arizona • Recluse Died with $7 Million in Gold • California State and US National Panning Championships • A Data Miner Builds A Power Sluice • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices