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Alluvial Fans

Alluvial fans are essentially dry land “deltas” which can be found in all climates. However, they are best developed in arid and semi-arid regions, where they may be many square miles in area. They are built up by outpourings of silt, sand, and gravel caused by seasonal run-off, as well as by boulders and cobbles carried by flash floods.

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A Word from the Editor


I've received a few letters over the past year regarding assays and assayers. Most wanted to know how to tell the good ones from the bad. You'll find most of these questions answered by Ralph Pray in his article, "Fake Assays and Assayers," in this month's issue.

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The Bawl Mill   • 43 CFR 3809 Final Rule   • Platinum Claims on Heines Creek   • Picks & Pans: Eureka! We Struck It Again   • More on Meteorites   • The Gold Hill and Iowa Mine, Boise County, Idaho: 1863-1895   • The First Prospectors   • All That Glitters is Gold   • Aussie Gold—Swinging Over to South Australia   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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