0.E 



Thomas Snowden, Rear Admiral, U. S. Navy, 

 Military Governor of Santo Domingo 



R. M. Warfield, Lieutenant Commander, C. E. C, U. S. Navy 

 In Charge of the Secretaryship of State of Fomento and Communications 



GEOLOGICAL SURVEY OF THE DOMINICAN REPUBLIC 



Thomas Wayland Vaughan, Geologist in Charge 



MEMOIRS, VOL. I 



A GEOLOGICAL RECONNAISSANCE OF THE 

 DOMINICAN REPUBLIC 



T. W. Vaughan, Wythe Cooke, D. D. Condit, 



C. P. ROSS, W. P. WOODRING, AND F. C. CALKINS 



Prepared by the United States Geological Survey 



Official publication of the Secretaryship of State of Fomento and 

 Communications, Dominican Republic 



kSbztay 



WASHINGTON 

 1921 



B 



