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Gages Through the Ages: location and number of streamgages by year

Detailed Description

The USGS Streamgaging Program has been measuring our Nation’s rivers and streams since 1889. This animation is part of the interactive Gages Through The Ages data visualization story, which presents a visual history of 130 years of USGS streamgaging and how streamgages have supported our Nation’s changing water needs and priorities.


Public Domain.