No. 6. 



DEPARTMENT OF AGRICULTURE. 



701 



The same autlioiilies qxiotQ nitriile of soda at an average of §1.80 

 per cwt., from Septeinbei- through December, lijOO. 



From the market rejjorls of th" Englneerlvg and Mining Journal 

 of New York City, the following comparative statement has beea 

 compiled: 



Wholesale Prices of Ammonia, 1900-1:' Engineering and Mlnlnn 



Journal. 



Sulfate of ammonia, gas liquor (15 per cent nmmjnia), domestii 



per cwt 



Nitrate of soda, per cwt 



Dried blood, per unit of ammonia: 



Western, liigh grade, f. o. b., Chicago, 



New York, soft, 



Tankage, higli grade Western, f. o. b., Chicago, per unit oi iUii;iiw:ii i, 



tBone, Calcutta, No. 2, fer ton 



tBone, Calcutta, No. 3, per ton, 



tBone, domestic, steamed, ground 



."0 



so-i.s:^ 



3- ' '» 

 Th 

 •0 

 

 ,00 



c 



?2 :-. 

 :.i5 



2.31 



l.OT'.i 

 2«.(lO 

 20 CO 



u.oo 



*For one week only, when there was a temporary rise In price. 



tOwing to lack of data for January, 19D0, the comparisons are made for February of li.e two 

 years. 



These figures, while not precisely concordant with those of the (9//, 

 Paint and Drug Reporter^ exhibit Die same general market tenden- 

 cies. 



Taking all these data together, they cstal)lish the fact of a slight 

 decrease in the wholesale prices of s^ulfate of ammonia, a slight in- 

 crease in that of nitrate of soda and a very marked increase in the 

 prices of dried blood, fish and tankage, while bone has remained sta- 

 tionary, or, in certain grades, markedly decreased in price. 



As for the values of the ingredients supplying rhosphoric acid: 

 The tendencies of bone and tankage have already been discussed. 

 Refuse bone-black has changed little, the general riovement liaviiig 

 been toAvard a slight decrease in price. 



Relative to the production an.l prices of raw rock ]ihosj)]iales: 

 The statistics of WiQ Englnocrlnn and ^lining Journal show a to'.al 

 production of 1,599,990 long Iop.s lioiu the i-hosiihate mining operat- 

 tions of the United States in 1900. us cnmiaied wiih 1,S23,''>91 mined 

 in 1899; the average values of liie products of tlie two ye;n'S were 

 ^3.86 per ton in 1899 and t^>AS in 1900. The derailed statislics of 

 production and shipment for llie |):i?l yc:\r in the several principal 

 regions of production are as follows: 



