OCR Text |
Show Finds Phosphates of U. S. Worth Billions The $300,000,000 worth of phosphate phos-phate rock which the phosphate deposits de-posits of the United States have yielded to date Is a small item com pared to the total phosphate resources re-sources of this country. Workers of the bureau of chemistry and soils have completed a survey of Amer lea's phosphate resources which has been published by the United States Department of Agriculture. They estimate American phosphate resources at G.200,000,000 long tons, worth approximately SlS.000,000,000. Because the phosphate deposits of the United States form Its most valuable val-uable natural . fertilizer resource, and because phosphatic fertilizers are used more widely and in great er quantities by American farmers than fertilizers containing other plant-food elements, these findings are of Interest to farmers and' fer tllizer manufacturers. This survey discloses the occur rence, production, and reserves of phosphate rock . in the United States and presents detailed in formation on their chemical compo I sltlon which indicates the com parative value of all. the domestic varieties of phosphate rock that are of commercial Importance at thr present time. |