21![118 PHOSPHATE ROCK (Data in thousand metric tons unless otherwise noted) Domestic Production and Use: Phosphate rock ore was mined by 6 firms at 11 mines in 4 States and upgraded to an estimated 32.3 million tons of mar 118 PHOSPHATE ROCK (Data in thousand metric tons unless otherwise noted) Domestic Production and Use: Phosphate rock ore was mined by 6 firms at 11 mines in 4 States and upgraded to an estimated 32.3 million tons of mar](https://www.pdfsearch.io/img/74e3a09fcebe2ca4918d6fcb7ab5d1ec.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-03-07 16:31:06
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22![EUROPEAN COMMISSION Brussels, [removed]COM[removed]final EUROPEAN COMMISSION Brussels, [removed]COM[removed]final](https://www.pdfsearch.io/img/ce155846c1fad13fd29a1bfe0186baa2.jpg) | Add to Reading ListSource URL: ec.europa.euLanguage: English - Date: 2013-12-02 04:27:16
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23![World Phosphate Rock DC Reserves and Resources
World Phosphate Rock Reserves and Resources by World Phosphate Rock DC Reserves and Resources
World Phosphate Rock Reserves and Resources by](https://www.pdfsearch.io/img/5e55b393e704e4927abd0c57d011c2c2.jpg) | Add to Reading ListSource URL: pdf.usaid.govLanguage: English - Date: 2011-09-15 18:00:25
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24![Global Availability of Phosphorus and Its Implications for Global Food Supply: An Economic Overview Global Availability of Phosphorus and Its Implications for Global Food Supply: An Economic Overview](https://www.pdfsearch.io/img/23786778b641d0c6cccaebf44633e037.jpg) | Add to Reading ListSource URL: www.ifw-members.ifw-kiel.deLanguage: English - Date: 2014-01-27 05:13:53
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25![118 PHOSPHATE ROCK 118 PHOSPHATE ROCK](https://www.pdfsearch.io/img/5e6930890cf5bc65448a790590ed6978.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-01-29 11:43:12
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26![Peak Phosphorous: Opportunity in the making: Why the Phosphorus Challenge Presents a New Paradigm for Food Security and Water quality in the Lake Winnipeg Basin Peak Phosphorous: Opportunity in the making: Why the Phosphorus Challenge Presents a New Paradigm for Food Security and Water quality in the Lake Winnipeg Basin](https://www.pdfsearch.io/img/ec5ae0cf7c6f6833ac2325c9a138a69f.jpg) | Add to Reading ListSource URL: www.susana.orgLanguage: English - Date: 2012-11-05 07:21:20
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27![](https://www.pdfsearch.io/img/7d05c560fb7b22a85a2ecec87390d869.jpg) | Add to Reading ListSource URL: www2.research.uky.eduLanguage: English - Date: 2011-08-27 13:50:44
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