Platinum—Group Metals

September 1999 by Guest Writer

The Tombstone Silver-Lead District, Arizona

April 2016
In 1877, a prospector named Ed Schieffelin discovered silver in “the middle of nowhere” and staked two claims: “Tumbstone” and “Graveyard.” Soon a town and mining district were organized and acquired the name “Tombstone” after making a spelling correction.

Platinum Claims on Heines Creek

April 2002
There aren’t too many workable placer deposits of platinum in the world today. Most of the platinum found is in hardrock lodes, usually mixed in the gold, silver or copper outcrops.

The Petersville—Yentna Goldfields

February 2007
Upon first entering this district in the early 70s, the trip into the Petersville area by vehicle was risky at best, especially during rainy periods in summer. The road has been improved somewhat since then, but not much.

Cerro Colorado Silver, Arizona

November 1999
It was the first mine developed by Americans in the Cadsden Purchase of 1853. A number of small near-surface mines had been operated by Spaniards and Mexicans in the region prior to the arrival of Americans, going back as far as 1740.

New Quarry Regulations in West Virginia

February 2000
Quarry operators would face tighter state regulations under proposed legislation that moved a step closer to approval recently.

The Economy, The Environment and Equity

October 1999
Clinton's poverty tour brought angry responses from many Westerners. They know that while Clinton is not to blame for the poverty he saw ... he is the reason for the crises facing some western towns.

Ask The Experts - How do you ship uranium samples to a lab?

February 2018

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