Paleoplacers in the Black Hills
September 2002 by Edgar B. Heylmun, PhDThe Black Hills of western South Dakota are domal mountains that rise to 7,242 feet near Mt. Rushmore National Monument. Annual precipitation reaches 28 inches, enough to support winter sports and pine forests.
In these types of cases I tend to listen to what my metal detector is telling me. The machine was very quiet, suggesting my initial impressions were right about the ground make up.
Just about all of us have heard the term “Wild and Scenic Rivers,” and we’ve likely been on one or several of them in our prospecting ventures. More than once someone has said to me “...but that’s a wild and scenic river.” My first question has always been, “What part of the system is it? Is it classified wild, scenic or recreational?”
Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.
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Talk about “déjà vu!” Americans woke up early morning Tuesday, November 6 with a Democratic President; a Senate with a narrow Democratic lead and a House with a strong Republican majority. They went to bed late Tuesday night with a Democratic President; a Senate with a narrow Democratic lead and a House with a strong Republican majority.
To say that the international environmental community took exception to President Trump’s decision to remove America from the 2016 Paris Accord would be an understatement of enormous proportions.
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