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Watch the Unusually Early Advance of Spring 2017 in the USA

By Communications and Publishing
The USA-NPN is tracking the unusually early start of spring 2017 across the USA. Map from 2-22-2017
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Detailed Description

A new set of scientifically backed maps produced by the USGS-led USA-National Phenology Network shows just how unusually early spring is arriving in the United States. 

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