Talk:Great Valley Group

External links modified
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 * Added archive https://web.archive.org/web/20140731140924/http://fossilworks.org/ to http://www.fossilworks.org/

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Cheers.— InternetArchiveBot  (Report bug) 03:18, 23 October 2017 (UTC)

This page is effectively a duplicate of https://en.wikipedia.org/wiki/Great_Valley_Sequence. The Great Valley Group is a more accurate and formal name for the Great Valley Sequence, proposed by Ingersoll. — Preceding unsigned comment added by RockDr (talk • contribs) 04:37, 25 July 2022 (UTC)