Revision History for DS 471

By William S. Vernieu

Physical and Chemical Data for Water in Lake Powell and from Glen Canyon Dam Releases, Utah-Arizona

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First Posted online October 22, 2009

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Version 2.0 posted October 2013

Report updated throughout to reflect data through 2012. Original report was for 1964—2008 data.

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Version 3.0 posted February 17, 2015

Report updated throughout to reflect data through 2013. Original report was for 1964—2008 data. Version 2.0 contained data through 2012.