DEPARTMENT OF THE INTERIOR 



Fraxklix K. Lane, Secretary 



United states geological Survey 



George Otis Smith, Director 



Professional Paper 98 — F 



THE PHYSICAL COXDITIOXS INDICATED BY THE 

 FLORA OF THE CALVERT F0R:\LVTI0X 



BY 



EDWARD WILBER BERRY 



Published May 27. 1916 



Shorter contributions to general geology, 1916 

 (Pages 61-73) 



WASHINGTON 



GOVERXMEXT I'KIXTIXG OFFICE 

 1916 



