CONTENTS 



PAGE 



PREFACE 17 



INTRODUCTION 21 



DEVELOPMENT OF KNOWLEDGE CONCERNING THE PHYSICAL 

 FEATURES OF CALVERT COUNTY, WITH BIBLIOG- 

 RAPHY. By George Bukbaxk Siiattuck 25 



Introductory 25 



Historical Review 25 



The History of Geographic Research 26 



The History of Geologic Research 31 



Bibliography 39 



THE PHYSIOGRAPHY OF CALVERT COUNTY. By George Burbank 



Shattuck 55 



Introductory 55 



TopoGUAriiic Description 56 



The Drainage of Calvert County 59 



The Structure of the Coastal Plain 61 



Topographic History 61 



The Sunderland Stage 62 



The Wicomico Stage 63 



The Talbot Stage 64 



The Recent Stage 65 



THE GEOLOGY OF CALVERT COUNTY. By George Burbank 



Shattuck 67 



Introductory 67 



The Eocene 68 



The Paaiuxkey Group 68 



The Nanjemoy Formation 68 



The Miocene 70 



The Chesapeake Group 70 



The Calvert Formation 70 



Areal Distribution 70 



Strike, Dip and Thickness 72 



Character of Materials 73 



Stratigraphic Relations 73 



Sub-Divisions 73 



