"Present Distribution and Thickness of Paleozoic Systems" by Walter A. Ver Wiebe, 1932. Bulletin of the Geological Society of America vol. 40, ppgs. 495-540. 7 figs. 30 June 1932
If whole article is not possible, then a copy of the 7 figs. found in the article would be much appreciated.
Thank you
John Schneiderman@cox.net
Siouxia Rising