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Over The Divide—Merwin (Merv) H. Hemp

It is with great sadness that we inform you of the passing of one of our long time members and tireless workers, Merwin H. Hemp.

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Mystery of Olmec Jade Solved


Since the 18th century, collectors, geologists and archaeologists have sought the answer to a frustrating mystery: The ancient Olmecs fashioned statues out of striking blue-green jade, but the stone itself was nowhere to be found in the Americas.

Flood Plain Gold Deposits—What Are They Really?


We just completed a trip to another river, and yes, there was definite movement and redistribution of gravels, and other prospectors have seen this as well.

A Short History of Hydraulic Mining in California


To add to the confusion, the dam wasn’t holding back a large amount of water. It was full of gravels and had a small creek running through it. I had to know more.

PLP Update & Legislative and Regulatory Update


I’m combining these columns this month because there is an overlapping issue I wanted to address -- the new Interior Department “working group” on mining reform

Following Man-Made Ditches to Recover More Gold


Because of multiple take-out points along a ditch line, the ditches themselves become a wealth of knowledge to us present-day miners.

Ask the Experts


Q: I would like to know the following on the metal nickel:
• Where is it mined?
• Why is the unit price so large—is this for a metric ton?

Ask the Experts


What is the best type of mat to use in a high banker set up?

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The Bawl Mill   • Editorial: Montana's Controversial Rock Creek Mine   • First Load of Concentrate Leaves Reopened Ruth Mine   • Uranium Industry Enjoys Rebound as Prices Nearly Triple   • BLM Warning About Purchase of Mining Claims on the Internet   • Determining the Amount of Gold in a Quartz Specimen   • Placer PGMs in Coon Creek, California   • Getting Your Float Circuit Layout Right   • Pick Up Austria's New Coin—If You Can Lift It   • New Prospecting Guides Available Online   • Police Extend Detention of Newmont Executives   • Picks & Pans—Drywashing and Detecting in Southern California   • The Boludo Placers, Sonora   • The Golden Highway—Placer County   • Northwest Miners Rally a Success   • Mine Threat Just a Stunt to Criticize Land Laws   • MINExpo 2004 Convention Report   • Looking Back   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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