Below is an interesting open access paper. Kenkmann, T., Sundell, K.A. and Cook, D., 2018. Evidence for a large Paleozoic Impact Crater Strewn Field in the Rocky Mountains. Scientific reports, 8(1), p.13246. https://europepmc.org/articles/pmc6125292 https://www.nature.com/articles/s41598-018-31655-4/
Yours, Paul H. ______________________________________________ Visit our Facebook page https://www.facebook.com/meteoritecentral and the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com https://pairlist3.pair.net/mailman/listinfo/meteorite-list