Version history and suggested citation for:

Hurwitz, S., Eagan, S., Heasler, H., Mahony, D., Huebner, M.A., and Lowenstern, J.B., 2007, revised 2012, River chemistry and solute flux in Yellowstone National Park: U.S. Geological Survey Data Series 278, v. 4.0. (Available at https://pubs.usgs.gov/ds/2007/278/.)

Version 1.0 (June 2007) - Database includes anion concentrations from 12 sampling sites. For some sites data is available from water year 2002 and for other sites data is available from when sampling was initiated.

Version 2.0 (May 2008) - The revised database includes data from water year 2007 and data from two new sites: Firehole River at Old Faithful (USGS station# 06036805) and Yellowstone River near Tower Junction (currently no operating gauge).

Version 3.0 (April 2009) - The revised database includes data from water year 2008. Added Dan Mahony and Mark A. Huebner as a co-authors. Updated references.

Version 4.0 (May 2012) - The revised database includes data from water years 2009 and 2010.