I have the publication. I believe it is online from the Iowa geological survey. If you can't find it I can probably find it and copy the article that interests you
On Oct 11, 2019, at 9:31 PM, John Schneiderman <
john-schneiderman@cox.net> wrote:
Does anyone have access to this in PDF format and willing to share?
Many thanks in advance.
Mesozoic Paleogeography of the West-Central United States: Rocky Mountain Symposium 2,1983 Pages: 225-252. "Cretaceous Paleogeography along the Eastern Margin of the Western Interior Seaway, Iowa Southern Minnesota,
and Eastern Nebraska and South Dakota" by: Brian J. Witzke, Greg A. Ludvigson, James R. Poppe & Robert L. Ravn