Submitted on: 19 January 2020.
Revised on: 08 May 2020.
Accepted on: 24 May 2020.
___________________ENVIRONMENTAL & ENGINEERING GEOSCIENCE
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Submitted on: 24 August 2015.
Revised on: 16 September 2015.
Accepted on: 21 October 2015.
___________________ENVIRONMENTAL & ENGINEERING GEOSCIENCE