Report of U. S. National Museum, 1899 —Merrill, 



Plate 20. 



REGIONS Of PHOSPHATE 



MB II.... I It.xk 



1.;,,,,! \^,■^^.l,' 



NfAP (.1 ILOniDA 



)1 pllOSflll.il 



■' ELORIOGE 



Map showing Phosphate Regions of Florida 

 After George H. Klrtridge. 



