No. 6. DEPARTMENT OF AORICULTURE. 87l> 



pliospliates as against l,503,(i:i3 tons in lUUl. Tlie shipnicuts for 

 190:2 wore almost 50,000 tons larger than the production. The ex- 

 port trade in 11)02 anioiinted to 827,230 long tons, as compared with 

 750,000 tons in IJJOl. 



Florida Phosphate. — The year 1902 shows an increase in produc- 

 tion of about ll.G per cent, over 11)01. The exports of high grade 

 rock in 1902 were 484,000 long tons, as against 424,120 tons in lUOl. 

 None has been sent to domestic markets. The average price for 

 the year f. o. b. Fernaudina was !ii(6.95, as against $0.83 in 1901. 



The production of land pebble was about 308,845 long tons, an 

 increase of 115,887 tons over the previous year. Land pebble was 

 quoted at $3.00 to |3.25 throughout the year, making an average 

 of $3.13, as compared with |3.79 in 1901. 



During January and February of this year, high grade rock was 

 quoted at $6.00 to $6.50 and laud pebble at $3.00 to $3.25. 



Peace River phosphate was produced to the extent of 20,000 to 

 25,000 tons, the American Agricultural Chemical Company con- 

 trolling the field and taking the bulk of the output. 



Tennessee Phosphates. — The total shipment in 1902 was 437,500 

 tons, of v/hich 139,500 tons Avere for export. Owing to an under- 

 standing between the larger companies in the Mt. Pleasant -fields, 

 prices f. o. b. were better than in 1901. Export prices, owing to 

 keen competition with Florida rocli, have suffered somewhat. In 

 January to April export rock (78-82 per cent, bone pliosphate of 

 lime) was quoted at an average of $3.50 per ton f. o. b. Mt. Pleasant; 

 in May, at $3.75; June, $3.25 to $3.75, and thereafter at $3.25 to 

 $3.50, making an average for the year of $3.47 as against $3.33 in 

 1901. 



Domestic high grade rock (78 per cent.) sold, f. o. b., Mt. Pleasant, 

 betvv-een $3.00 and $3.25, making an average of $3.13, compared with 

 $2,97 in 1901. Domestic 75 per cent, rock brought $2.75 to $3.00, 

 or an average of |2.88 f. o. b., as against $2.74 for the previous year. 



The 70-74 per cent, grade sold at $2.10 to $2.40, which compares 

 with $2.00 to $2.75 in 1901. " 



Prices on export rock for January and February of this year 

 were $3.25 to $3.50, and for domestic grades $3.00 for 78 per cent., 

 and $2.75 to $3.00 for 75 per cent. rock. 



In South Carolina production has been curtailed owing to smaller 

 consumption and the dismantling of large Avorks. Shipments haA'e 

 decreased as compared Avith 1901. Prices f. o. b., Ashley River, for 

 land rock, averaged $3.25 per ton; river rock, $1.75 to $3.00, both 

 prices showing a decrease from last year. During January and 

 February of this year, land rock Avas quoted at $3.25 and river rock 

 *at $2.75 to $3.00. 



Raw Materials of Acid Manufacture. — The Engineering cmd Min- 

 ing Journal comments as folloAvs: 



