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USGS Mineral Resources On-Line Spatial Data
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East-west cross section across the Red Sea showing the potash-bearing Miocene salt (modified from Bosworth and others, 2005). Title RED_CrossSect_1fig (print to 11" by 17" page size)
Beaverhead Group (MTTKb;0) - USGS
Geologic unit mapped in Montana: Reddish gray conglomerate with limestone and quartzite clasts, gray limestone, and grayish brown sandstone. Syntectonic alluvial fan and braided stream. Thickness as much as 3,250 m (10,663 ft).