User talk:86.171.68.69

March 2017
Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Ice sheet, you may be blocked from editing. Jasper Deng (talk) 15:32, 15 March 2017 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.

September 2020
Hello, I'm Materialscientist. I noticed that you made a change to an article, Matthew Parker (author), but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Materialscientist (talk) 19:17, 15 September 2020 (UTC)