a. Introduction
     1. Purpose
     2. Location and Physiography
     3. Paleontological Exploration and Importance

b. Geological Time Scale

c. Historical Geology and Paleontology
     1. Early and Middle Paleozoic
     2. Late Paleozoic and Early Mesozoic
     3. Middle and Late Mesozoic
     4. Geologic Formations in Nebraska
     5. Cenozoic
          a. Oligocene
          b. Miocene
          c. Pliocene
          d. Pleistocene

d. List of Fossil Mammals in the Tertiary Deposits of the Central Great Plains

e. Bibliography

This bulletin produced with assistance of personnel provided through SERA.