Hanson, C. L.; Schumaker, G. A.; Erickson, C. J. 1976. 

 Influence of fertilization and supplemental water runoff 

 on production and nitrogen content of western 

 wheatgrass and smooth brome. Journal of Range Man- 

 agement. 29(5): 406-409. 



Harper, J. L. 1977. Population biology of plants. New 

 York: Academic Press. 892 p. 



Hodder, R. L.; Sindelar, B. W.; Bucholz, J.; Ryerson, D. E. 

 1972. Coal reclamation research, location - Western 

 Energy Company, Coalstrip, Montana. Res. Rep. 20. 

 Bozeman, MT: Montana State University, Montana 

 Agricultural Experiment Station. 45 p. 



Holechek, J. L.; DePuit, E. J.; Coeneberg, J. G.; Valdez, R. 

 1981. Fertilizer effects on establishment of two seed 

 mixtures on mined land in southeastern Montana. Jour- 

 nal of Soil and Water Conservation. 36: 241-244. 



Houston, R. W.; Hyder, D. N. 1975. Ecological effects and 

 the fate of N following massive N fertilization of mixed- 

 grass plains. Journal of Range Management. 28(1): 

 56-60. 



Jeffries, R. A.; Bradshaw, A. D.; Putwain, P. D. 1981. 

 Growth, nitrogen accumulation and nitrogen transfer 

 by legume species established on mine spoils. Journal of 

 Applied Ecology. 18: 945-965. 



Knight, D. H. 1978. Methods of sampling vegetation: an 

 instruction manual. Laramie, WY: University of 

 Wyoming, Ark Industries. 87 p. 



Knudson, D. 1980. Recommended phosphorus tests. In: 

 Dahnke, W. C, ed. Recommended chemical soil test 

 procedures for the North Central Region. Bull. 499. 

 Fargo, ND: North Dakota State University, North 

 Dakota Agricultural Experiment Station: 14-16. 



McNaughton, S. J. 1977. Diversity and stability of ecologi- 

 cal communities: a comment on the role of empiricism 

 in ecology. The American Naturalist. 3(979): 515-525. 



Mellinger, M. V.; McNaughton, S. J. 1975. Structure and 

 function of successional vascular plant communities in 

 central New York. Ecological Monographs. 45(2): 

 161-182. 



Moore, R. P. 1972. Tetrazolium staining for assessing seed 

 quality. In: W. Heydecker, ed. Seed Ecology. University 

 Park, PA: Pennsylvania State University Press: 

 346-366. 



Petersen, R. G. 1977. Use and misuse of multiple com- 

 parison procedures. Agronomy Journal. 69: 205-208. 



Redente, E. F.; Cook, C. W. 1986. Structural and func- 

 tional changes in early successional stages of a semiarid 

 ecosystem. Fort Collins, CO: Colorado State University 

 Research Report to U.S. Department of Energy, 

 DOE/EV/04018-9. 



Root, R. B. 1973. Organization of plant-arthropod associa- 

 tion in simple and diverse habitats: the fauna of col- 

 lards (Brassica oleracea). Ecological Monographs. 43(1): 

 95-124. 



Scholl, D. G.; Pase, C. P. 1984. Wheatgrass response to 

 organic amendments and contour furrowing on coal 

 mine spoil. Journal of Environmental Quality. 13(3): 

 479-482. 



Southwood, R. T. E.; Brown, V. K.; Reader, P. M. 1979. 

 The relationship of plant and insect diversities in suc- 

 cession. Biological Journal of the Linnean Society. 12: 

 327-348. 



Tahvanainen, J. O.; Root, R. B. 1972. The influence of 

 vegetational diversity on the population ecology of a 

 specialized herbivore, Phyllotreta cruciferae (Coleop- 

 tera: Chrysomelinae). Oecologia. 10: 321-346. 



Teidemann, A. R.; Lopez, C. F. 1982. Soil nutrient assess- 

 ments of mine spoils: In: Aldon, E. F.; Oaks, W. R., eds. 

 Reclamation of mined lands in the Southwest: a sympo- 

 sium. Albuquerque, NM: Soil Conservation Society of 

 America - New Mexico Chapter: 66-79. 



Thornburg, A. A. 1982. Plant materials for use on surface- 

 mined lands in arid and semiarid regions. SCS TP-157. 

 EPA 600-7-79-134. Washington, DC: U.S. Department 

 of Agriculture, Soil Conservation Service. 88 p. 



Tilman, D. 1985. The resource-ratio hypothesis of plant 

 succession. The American Naturalist. 125(6): 827-852. 



Tisdale, S. L.; Nelson, W. L. 1975. Soil fertility and fertil- 

 izers. 3d ed. New York: Macmillan Publishing. 694 p. 



U.S. Department of Agriculture, Forest Service. 1979. 

 User's guide to vegetation: mining and reclamation in 

 the West. Gen. Tech. Rep. INT-64. Ogden, UT: U.S. 

 Department of Agriculture, Forest Service, Intermoun- 

 tain Forest and Range Experiment Station. 85 p. 



Vitousek, P. M.; Gosz, J. R.; Grier, C. C; Melillo, J. M.; 

 Reiners, W. A.; Todd, R. L. 1979. Nitrate losses from 

 disturbed ecosystems. Science. 204: 469-474. 



Woods, L. E.; Schuman, G. E. 1986. Influence of soil or- 

 ganic matter concentrations on carbon and nitrogen 

 activity. Soil Science Society of America Journal. 

 50: 1245-1251. 



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