User talk:74.12.81.50

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Happy editing! Grayfell (talk) 08:04, 6 July 2018 (UTC)

July 2018
Hello, I'm Grayfell. I noticed that you made one or more changes to an article, Terraforming of Mars, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you. Grayfell (talk) 08:05, 6 July 2018 (UTC)
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