User talk:Marcdurand

Welcome!

Hello, Marcdurand, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful: I hope you enjoy editing here and being a Wikipedian! Please sign your messages on discussion pages using four tildes ( ~ ); this will automatically insert your username and the date. If you need help, check out Questions, ask me on my talk page, or ask your question on this page and then place  before the question. Again, welcome! Vsmith (talk) 12:13, 9 May 2011 (UTC)
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I've removed your recent addition to Hydraulic fracturing as it was unsourced and appeared as original research - please support your additions with references in the future. Thanks, Vsmith (talk) 12:13, 9 May 2011 (UTC)