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Pediments
April 2005 by Edgar B. Heylmun, PhD
A pediment is a broad, gently sloping erosion surface or plain of low relief that is often found in arid and semi-arid regions at the base of a receding mountain front. The example shown is from the Palo Verde Ranch 15-minute topographic quadrangle, southwest of Tucson, Arizona. This is one of the best examples the writer has ever seen.Additional articles that might interest you...
The Bawl Mill
June 2009
• What the government wants the government gets...
• A drop in the ocean...
• Do we get a paycheck for this?
• What the government wants the government gets...
• A drop in the ocean...
• Do we get a paycheck for this?
The Great Gold Rush of Nome, Alaska
April 2001
Gold was mined in the Council Region several years before it was known at Nome, and from this vicinity the prospectors set out and made the Nome placers familiar to the world.
Gold was mined in the Council Region several years before it was known at Nome, and from this vicinity the prospectors set out and made the Nome placers familiar to the world.
From Hand Sluice to Dredge
December 2008
Gold prospecting in Virginia: Like most prospecting greenhorns, I entered the gold prospecting hobby with a pan, a shovel and a hand sluice. It was January 2007, and I had just stumbled upon the hobby of gold prospecting while researching...
Gold prospecting in Virginia: Like most prospecting greenhorns, I entered the gold prospecting hobby with a pan, a shovel and a hand sluice. It was January 2007, and I had just stumbled upon the hobby of gold prospecting while researching...
Silver Mining Returning to Texas
April 2011
Today, a Canadian company is reviving the mine to take advantage of silver prices that have tripled since 2009, giving the few dozen residents still living in the area more action than they’ve seen in decades.
Today, a Canadian company is reviving the mine to take advantage of silver prices that have tripled since 2009, giving the few dozen residents still living in the area more action than they’ve seen in decades.
Collector Reaches New Lows to Find Bottles
February 2000
Not everyone would admit to digging through old outhouse pits, but George Piasecki says it's all part of the game for a bottle collector.
Not everyone would admit to digging through old outhouse pits, but George Piasecki says it's all part of the game for a bottle collector.
The Bawl Mill
September 2013
• More on the "Affordable" Care Act
• Abandon (citizen)Ship!
• USDA makes "grave" payment errors
• More on the "Affordable" Care Act
• Abandon (citizen)Ship!
• USDA makes "grave" payment errors
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The Bawl Mill
• Our Readers Say
• Progress Report on Washington State Small-Scale Regulations
• Bill to Allow Mining of Coeur d'Alene Basin
• Dredging Below the Homestake
• Looking Back
• Picks & Pans: The Glory Hole
• Enthusiastic Crowds at PDAC
• Fraser Institute Survey Results Rank Best (and Worst) Mining Locales
• Synclinal Oil
• Small-Scale Prospecting & Mining (A Little History)
• Higher Zinc Price Creates Opportunity
• Government Appeals Miner Injury Case to Supreme Court
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
