1892.] 



PUBLIC DOCUMENT — No. 33. 



287 



5. Analyses, etc. — Continued. 

 Sxdphate of Potash. 



[Sent on from Richmond, Mass.] 



Moisture at 100° C, 

 Potassium oxide, . 

 Insoluble matter, . 



Per Cent. 



6.17 



24.32 



0.56 



Florida Phosphate Pock. 



[I., sent on from Amherst; II., sent on from Fort Meade, Fla. ; III. and IV., 

 sent on from Vicksburg, Miss ] 



Florida Phosphate Rock. 



[I , II., III. and IV., from Oscala, Fla. ; V., from Pitman, Fla. ; VI., sent on from 



Boston, Mass.] 



