Gravel

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Comment by Carl Chavez on December 5th, 2012 at 5:36 pm

under the modern production section, the article states that USA imports all of its gravel from China. This statement is totally false. Most of the Gravel used in the USA comes from local sources as the cost to import rock would not make this financially viable. Please remove this statement from the definition,

Comment by Dinshaw Dadachanji on December 11th, 2012 at 1:08 pm

Thank you, Carl, for pointing out the error. I’ve corrected it.
Dinshaw Dadachanji, Science Editor

Gravel

Comment by Carl Chavez on December 5th, 2012 at 5:36 pm

Comment by Dinshaw Dadachanji on December 11th, 2012 at 1:08 pm

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