Talk:Era (geology)
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Era (geology) is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information. |
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This article is within the scope of WikiProject Time, an attempt to build a comprehensive and detailed guide to Time on Wikipedia. If you would like to participate, please join the project. |
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