Talk:St. Peter Sandstone

	This article is part of WikiProject Illinois, an attempt to build a comprehensive and detailed guide to Illinois on Wikipedia. If you would like to participate, you can edit this article, or visit the project page to join the project and/or contribute to the discussion.
Stub	This article has been rated as Stub-Class on the quality scale.
Low	This article has been rated as Low-importance on the importance scale.

	This article is within the scope of WikiProject Minnesota, which aims to improve all articles related to Minnesota.
Start	This article has been rated as start-Class on the assessment scale.
Low	This article is on a subject of low-importance within Minnesota articles.
This article has been rated for quality and/or importance but has no comments yet. If appropriate, please review the article and then leave comments here to identify the strengths and weaknesses of the article and what work it will need.

	This page is within the scope of WikiProject South Dakota, an attempt to build a comprehensive and detailed guide to articles on South Dakota on Wikipedia. If you would like to participate, you can edit the article attached to this page, or visit the project page, where you can join the project and/or contribute to the discussion.
Stub	This article has been rated as Stub-Class on the Project's quality scale. (If you rated the article please give a short summary at comments to explain the ratings and/or to identify the strengths and weaknesses.)