User talk:Pureprocharles

May 2016
Hello, I'm Bahudhara. I wanted to let you know that one or more of your recent contributions to Acid mine drainage have been undone because they appeared to be promotional. Advertising and using Wikipedia as a "soapbox" are against Wikipedia policy and not permitted. Take a look at the welcome page to learn more about Wikipedia. Thank you. Bahudhara (talk) 07:56, 21 May 2016 (UTC)