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    [Illustration: Cover: Looking southward along Groton Pond from near
    Stillwater Brook.]




                             THE GEOLOGY OF
                          GROTON STATE FOREST


                                  _By_
                          ROBERT A. CHRISTMAN


                    DEPARTMENT OF FORESTS AND PARKS
                      Perry H. Merrill, _Director_

                     VERMONT DEVELOPMENT COMMISSION

                       VERMONT GEOLOGICAL SURVEY
                   Charles G. Doll, _State Geologist_


                                  1956




                     GEOLOGY OF GROTON STATE FOREST


                                  _By_
                          ROBERT A. CHRISTMAN




                              INTRODUCTION


Geology is the study of the history of the earth as recorded in its
rocks. This study explains why certain