Revision History for U.S. Geological Survey Scientific Investigations Report 2017-5051

By George L. Bennett, V
Status and Understanding of Groundwater Quality in the North San Francisco Bay Shallow Aquifer Study Unit, 2012: California GAMA Priority Basin Project
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Posted online July 20, 2017

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Revised and reposted February 22, 2018

Figure 12 was revised.  14 samples (circles) were colored with the wrong groundwater age class.