Talk:38th parallel structures

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Attention needed

I think this article requires updating. Some interesting sources are found at http://www.impactcraters.us/the_ozarks_region and http://adsabs.harvard.edu/abs/2008AGUFM.P31A1384E. I can't get to it right now and invite any interested editor to pitch in, especially anyone with a background in geology. --Kbh3^rd talk 03:28, 13 December 2011 (UTC)[reply]