Another article for you shale mavens.
http://tonto.eia.doe.gov/oog/info/twip/twiparch/090304/twipprint.html
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Wednesday, March 4
Civil War in the Loess Hills
by
Energy Issues
on Wed 04 Mar 2009 08:09 AM CST
Loess is wind-transported silt derived from fresh glacial deposits exposed at the end of the last ice age. Loess formed steep bluffs near Vicksburg, Mississippi and the Mississippi River. The bluffs formed because loess, unlike most soils, has a high angle of repose. The very nature of these bluffs affected the outcome of the Civil War. Here is another story of how geology affected history. |
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