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2008-09-04 03:00:18

By Haynes, Patrick E For decades, wonderful, rare, and usually microscopic minerals have been found by hundreds (thousands?) of enthusiastic mineral collectors, both on the surface and in the underground workings of the Gold Hill mine in Tooele County, Utah. On 6 August 2007 the Utah Mined Land Reclamation Program started closing off holes related to former mining and prospecting activity within the Gold Hill mining district, beginning with the Gold Hill mine itself. In anticipation of the...


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28_79c74169055c7a23d7c62aada24a32a2
2005-05-26 09:40:46

Lead is a chemical element in the periodic table that has the symbol Pb (L. Plumbum) and atomic number 82. A soft, heavy, toxic and malleable poor metal, lead is bluish white when freshly cut but tarnishes to dull gray when exposed to air. Lead is used in building construction, lead-acid batteries, bullets and shot, and is part of solder, pewter, and fusible alloys. Lead has the highest atomic number of all stable elements. (But see the article on Bismuth, which has a half life so long it can...

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Word of the Day
ramage
  • Boughs or branches.
  • Warbling of birds in trees.
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