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Dave Beedon | all galleries >> Places >> Utah >> Moab (environs) >> Potash Area >> Highway 191 and Potash Road (Highway 279) > Stained wall not the fault of the railroad
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12-APR-2006 Dave Beedon

Stained wall not the fault of the railroad

Much sandstone in this area is stained like this. It's the result of the
interaction of rain and magnesium in the rock and is called "desert
varnish." Dirty locomotive fumes are not a factor.
.

Nikon D100 ,Nikkor 20mm f/2.8 AF
1/1000s f/5.0 at 20.0mm full exif

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