Aspila, K. I., Agemian, H. and Chau, A. S. Y.: 1976, 'A semi-automated method for the determination of inorganic, organic, and total phosphate in sediments', The Analyst 101, 187-197.

Bates, A. L., Orem, W. H., Harvey, J. W. and Spiker, E. C.: 2001, 'Geochemistry of Sulfur in the Florida Everglades; 1994 through 1999', U.S. Geological Survey Open-File Report 01-0007, pp. 54.

Bates, A. L., Orem,W. H., Harvey, J.W. and Spiker, E. C.: 2002, 'Tracing the sources of sulfur in the Florida Everglades', J. Environ. Qual. 31, 287-299.

Boggess, C. F., Flaig, E. G. and Fluck, R. C.: 1995, 'Phosphorus budget-basin relationships for Lake Okeechobee tributary basins', Ecol. Eng. 5, 143-162.

Capece, J. C., Campbell, K. L., Bohlen, P. J., Graetz, D. A. and Portier, K. M.: 2006, 'Soil phosphorous, cattle stocking rates and water quality in subtropical pastures in Florida, USA', Rangeland Ecol. and Management (in press).

Chapman, T. S. and Hammons, S., Jr.: 1963, 'Some observations concerning uranium content of ingesta and excreta of cattle', Health Phys. 9, 79-81.

Chen, J. H., Edwards, R. L. and Wasserburg, G. J.: 1986, '²³⁸U, ²³⁴U, and ²³²Th in seawater', Earth Planet. Sci. Lett. 80, 241-251.

Flaig, E. G. and Havens, K. E.: 1995, 'Historical trends in the Lake Okeechobee ecosystems. I. Land use and nutrient loadings', Arch. Hydrobiol. (Suppl.) 107, 1-24.

Flaig, E. G. and Reddy, K. R.: 1995, 'Fate of phosphorus in the Lake Okeechobee watershed, Florida, USA: Overview and recommendations', Ecol. Eng. 5, 127-142.

Fluck, R. C., Fonyo, C. and Flaig, E. G.: 1992, 'Land-use-based phosphorus balances for Lake Okeechobee, Florida, drainage basins', Appl. Eng. in Agriculture 8(6), 813-820.

Halberg, G. R. and Keeney, D. R.: 1993, 'Nitrate' in Alley, W. M. (ed.), Regional Ground-Water Quality, Van Nostrand Reinhold, New York, N.Y., USA, pp. 297-322.

Heaton, T. H. E.: 1986, 'Isotopic studies of nitrogen pollution in the hydrosphere and atmosphere: A review', Chem. Geol. 59, 87-102.

Hedges, J. L. and Stern, J. H.: 1984, 'Carbon and nitrogen determinations of carbonate-containing solids', Limnol. Ocean. 29, 657-663.

Hiscock, J. G., Thourot, C. S. and Zhang, J.: 2003, 'Phosphorus budget-land use relationships for the northern Lake Okeechobee watershed', Ecol. Eng. 21, 63-74.

Linsalata, P.: 1994, 'Uranium and thorium decay series radionuclides in human and animal foodchains- A review', J. Environ. Qual. 23, 633-642.

Millard, H. T. and Keaten, B. A.: 1982, 'Precision of uranium and thorium determinations by delayed neutron counting', J. Radioanal. Chem. 72, 489-500.

Mortvedt, J. J.: 1994, 'Plant and soil relationships of uranium and thorium decay series radionuclides- A review', J. Environ. Qual. 23, 643-650.

Orem, W. H.: 2004, 'Impacts of sulfate contamination on the Florida Everglades Ecosystem', U.S. Geological Survey Fact Sheet FS 109-03, pp. 4.

Reid, D. F., Sackett, W. M. and Spalding, R. F.: 1977, 'Uranium and radium in livestock feed supplements', Health Phys. 32, 535-540.

Rothbaum, H. P., McGaveston, D. A., Wall, T., Johnston, A. E. and Mattingly, G. E. G.: 1979, 'Uranium accumulation in soils from long-continued applications of superphosphate', J. Soil Sci. 30, 147-153.

Seiler, R. T.: 2005, 'Combined use of ¹⁵N and ¹⁸O of nitrate and ¹¹B to evaluate nitrate contamination in groundwater', Appl. Geochem. 20(9), 1626-1636.

Shacklette, H. T. and Boerngen, J. C.: 1984, 'Element concentrations in soils and other surficial materials of the conterminous United States', U.S. Geological Survey Professional Paper 1270.

South Florida Water Management District: 1997, 'Surface water improvement and management (SWIM) plan update for Lake Okeechobee', South Florida Water Management District, West Palm Beach, Florida.

South Florida Water Management District: 2003, 'Lake Okeechobee Protection Plan, revised draft, November, 2003', South FloridaWater Management District, West Palm Beach, Florida. available at http://www.sfwmd.gov/org/wrp/wrp_okee/projects/protection_plan.html.

Spalding, R. F. and Exner, M. E.: 1993, 'Occurrence of nitrate in groundwater- A review', J. Environ. Qual. 22, 392-402.

Steinman, A. D., Havens, K. E., Aumen, N. G., James, R. T., Jin, K. R., Zhang, J. and Rosen, B. H.: 1999, 'Phosphorus in Lake Okeechobee: Sources, sinks, and strategies'. in Reddy, K.R. O'Connor, G.A. and Schelske, C.L. (eds.), Phosphorus Biogeochemisty in Subtropical Ecosystems, Lewis Publishers, Boca Raton, FL, USA, pp. 527-544.

Strickland, J. D. H. and Parsons, T. R.: 1973, A Practical Handbook of Seawater Analysis, Fisheries Research Board of Canada, Ottowa, Canada.

Swaine, H., Bohlen, P. J., Campbell, K. L., Lollis, L. O. and Steinman, A. D.: 2006, 'Integrated ecological and economic analysis of ranch management systems: An example from central Florida'. Rangeland Ecol. and Manag. (in press).

Wedepohl, K. H.: 1978, Handbook of Geochemistry, Chap. 15, Phosphorus, vol. II/2, Springer-Verlag, New York.

Yamamuro, M. and Kayanne, H.: 1995, 'Rapid direct determinations of organic carbon and nitrogen in carbonate-bearing sediments with a Yanaco MT-5CHN analyzer', Limnol. Ocean. 40, 1001-1005.

Zielinski, R. A., Simmons, K. R. and Orem, W. H.: 2000, 'Use of ²³⁴U and ²³⁸U isotopes to identify fertilizer-derived uranium in the Florida Everglades', Appl. Geochem. 15, 369-383.