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A CONTRIBUTION TO THE GEOLOGIC HISTORY 

 OF THE FLORIDIAN PLATEAU. 



BY THOMAS WAYLAND VAUGHAN, 



Geologist in Charge of Coastal Plain Investigation, U. S. Geological Survey, 



Custodian of Madreporaria, U. S. National IMuseum. 



15 plates, 6 text figures. 



Extracted from Publication No. 133 of the Carnegie Institution 

 of Washington, pages 99-185. 1910. 



