User talk:Hooverviking

October 2014
Hello, I'm Kehrbykid. I wanted to let you know that I undid one of your recent contributions —the one you made with this edit to NASA Clean Air Study— because it didn’t appear constructive to me. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Kehrbykid (talk) 16:56, 21 October 2014 (UTC)