| Reference | {Deposit:: International Fertilizer Industry Association. Phosphoric Acid, Triple Superphosphate And Ammonium Posphate Plants 1988 Survey. August, 1988, 39 Pp.}{Deposit:: British Sulphur Corporation. World Fertilizer Atlas, Eighth Ed., April, 1987, 121 Pp.}{General:: Agency for Toxic Substances and Disease Registry Eastern Michaud Flats Contamination Pocatello, Bannock County, Idaho http://www.atsdr.cdc.gov/HAC/PHA/emichaud/eas_p1.html - retreived 24 Dec 2008} |