Tappa, D. J. (2015). Water quality of the Little Arkansas River and Equus Beds Aquifer before and concurrent with large-scale artificial recharge, south-central Kansas, 1995- 2012 (Version 1.1, May 6, 2015.). U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationTappa, Daniel J. Water Quality of the Little Arkansas River and Equus Beds Aquifer Before and Concurrent with Large-scale Artificial Recharge, South-central Kansas, 1995- 2012. Version 1.1, May 6, 2015. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2015.
MLA (9th ed.) CitationTappa, Daniel J. Water Quality of the Little Arkansas River and Equus Beds Aquifer Before and Concurrent with Large-scale Artificial Recharge, South-central Kansas, 1995- 2012. Version 1.1, May 6, 2015. U.S. Department of the Interior, U.S. Geological Survey, 2015.