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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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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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