2 BULLETIN 312, U. S. DEPARTMENT OF AGRICULTURE. 



production of fertilizers will undoubtedly continue its interrupted 

 advance, and the phosphate industry will resume its former activity. 

 The output of phosphate rock in this country, by States, is given in 

 Table I, and the production, exports, imports, and consumption in 

 the United States for the last 14 years are given in Table II. 



Table I. — Production of -phosphate rock in the United States. 1 

 [In tons of 2,240 pounds.] 



Phosphate. 



1910 



1911 



1912 



Tons. 



Value. 



Tons. 



Value. 



Tons. 



Value. 





392,088 

 1,637,709 



§2,940,660 

 6,550,836 



474,094 

 2,020,477 



32,953,606 

 6,809,007 



536,379 

 2,043,486 



§3,218,274 





7,101,186 





Total, Florida 



2, 029, 797 



9,491,496 



2,494,571 



9,762,613 



2,579,865 



10,319,460 







South Carolina land rock 



185,000 

 16,347 



786,250 

 57,314 



2 169, 156 



673,156 



2 131,490 



524, 760 













Total, South Carolina . . . 



201,347 



843,564 



2 169, 156 



673,156 



2 131,490 



524, 760 





440,699 

 10,095 



1,586,516 

 40,380 



542, 761 

 3 10; 505 



1,918,489 

 39,882 



443,065 

 2 11,612 



1,710,000 





46, 450 







Total, United States 



2,681,938 



11,961,956 



3,216,993 



12,394,140 



3,166,032 



12,600,670 



Phosphate. 



1913 



1914 



Tons. 



Value. 



Tons. 



Value. 





485,811 

 2,043,403 



83,206,343 

 6,334,549 



2 309, 689 

 2 1,829,202 



2$1,912,197 

 2 5,442,547 







Total, Florida 



2,529,214 



9,540,892 



2 2,138,891 



2 7,354,744 













2 106,919 



2 415, 039 



























2 106,919 



2 415,039 













434,193 



* 99, 600 



1,628,224 

 ^398,272 



2483,203 

 2 5,030 



2 1,822,770 





2 15,488 





Total, United States 



3,063,007 



11,567,388 



2 2,734.043 



2 9,608,041 





1 Statistics collected by Mineral Industry, except as otherwise noted. 



2 Reported by the U. S. Geological Survey. 



3 Idaho, Utah, and Wyoming. 



4 Figures include production of South Carolina and other States not separately mentioned. 



Table II. — Statistics of phosphates for the United States. 1 

 [In tons of 2,240 pounds.] 



Year. 



Produc- 

 tion. 



Im- 

 ports. 



Exports. 2 



Consump- 

 tion. 



Year. 



Produc- 

 tion. 



Im- 

 ports. 



Exports. 2 



Consump- 

 tion. 



1901 



1902 



1903 



1,483,723 

 1,600,813 

 1, 581, 576 

 1,874,428 

 1,933,286 

 2, 052, 742 

 2,251,459 



180, 714 

 145, 793 

 153, 972 

 166, 090 

 82,072 

 46,228 

 25,896 



729, 539 

 802,086 

 785, 259 

 842,484 

 934,940 

 904,214 

 1,018,212 



934,898 

 944, 250 

 950, 289 

 1,198,034 

 1,080,418 

 1,194,756 

 1,259,143 



1908 



1909 



1910 



1911 



1912 



1913 



1914 



2,375,031 

 2,463,766 

 2,681,938 

 3, 216, 993 

 3,166,032 

 3,062,975 

 2,734,043 



26,734 

 11,903 

 19,319 

 16, 153 

 28,821 

 26,408 



1,196,175 

 1,020,556 

 1,083,037 

 1,246,577 

 1,206,520 

 1,338,450 

 964, 114 



1,205,590 

 1,455,113 

 1, 618, 220 

 1,980,569 

 1,988,333 

 1,724,525 

 1,769,929 



1904 



1905 



1906 



1907 



1 Production statistics of 1901 and subsequent years, except 1905 to 1913, are those of the U. S. Geological 

 Survey and are based on marketed products. 

 3 Neglecting the insignificant exports of foreign products. 



