44 



AGRICULTURAL ANALYSIS 



PRODUCTION OF PHOSPHATE ROCK IN THE UNITED STATES, 1905-1906, 

 BASED ON THE QUANTITY MARKETED. 



48. Marketed Production. Since 1880 the quantity and the 

 value of the phosphate rock produced (marketed) in the United 

 States have been as follows : 



MARKETED PRODUCTION (LONG TONS) OF PHOSPHATE ROCK IN THE 

 UNITED STATES, 1880-1906. 



49. Imports. The following table shows the imports of fer- 



