C. R. "Chuck" Downing shared - Authors Bureau ECN: Speak with a favorite author by phone

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C. R. "Chuck" Downing shared: 8/9/2017 1:05:07 AM

#SciFact The average speed of the Gulf Stream is four mph (6.4 km/hr) @SherryFrazier https://t.co/O4zpGBPVRu
— C.R. Downing (@CRDowningAuthor) August 9, 2017