In 1866 the price of gold was $20/oz. The Idaho-Maryland Mine in Nevada County, California has produced about 2.4 million ounces of gold with a grade of 0.50 oz/ton from ...
Last month’s Cheyenne Audubon guest speaker was Jake Courkamp, a research scientist in the Restoration Ecology Lab at Colorado State University who studies the control of cheatgrass.
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