Hicks, S.. Acidic Airport Drainage - Over 20 Years Worth of Experience . Presented at the 2006 workshop.
Ziemkiewicz, P.. Long-term Performance of Passive AMD Treatment Systems. Presented at the 2006 workshop.
Ziemkiewicz P.. Long-Term Performance of Passive AMD Treatment Systems in the Eastern U.S.. Presented at the 2002 workshop.
Hedin R.S.. Successful Passive Treatment of Coal Mine Drainage, a 2010 Update. Presented at the 2010 workshop.
- Passive Treatment of Coal Mine Drainage (Bureau of Mines Information Circular 9389, 1994)
- Iron Removal by a Passive System Treating Alkaline Coal (Mine Drainage, Mine Water Environment, 2008, volume 27, pages 200-209)
R. Hedin. Treatment of Acidic Coal Mine Drainage with Vertical Flow Ponds and Drainable Limestone Beds. Presented at the 2017 workshop.
A. Sobolewski, T. Moore, T.R. Brown, A.C. Riese and J. Fricke. Use of Constructed Wetlands to Reduce Metals in Drainage from a High Altitude Mine System, SW Colorado: Horizontal System. Presented at the 2018 workshop.