Abstract

President’s Message-Paul F. Caponera ; Minutes of the Meeting ; A Library for MAPS- Cheryl DeRosear ; Something to Look Forward to (at Expo III)-Dick Johannesen The University of Illinois Chicago Circle Department of Geological Sciences Presents- The Rise and Diversification of Fossil Fish Trilobites of the Chicago Region Mid-Ordovician Trilobites of the Upper Mississippi Valley-Dr. Larry DeMott The Exchange-Don Good-Richard Heimlich-Dick Lutin-Jim Jenks MAPS Satellites Trilobite-Paul F. Caponera Competition and the Rules of Competition-Philip Marcus …and Here’s a Piece of the Rock- Horace Freeland Judson Sedimentary Notes To Whom it May Concern- Dr. Larry Demott ;

How to Cite:

Mid-America Palentology Society, (1981) “M.A.P.S. Digest, vol.4 no.4 (February 1981)”, MAPS Digest: Mid-America Paleontology Society 4(1), 1–12.