LITERATURE CITED 



Berg, P.P. 1956. A study of waterfowl broods in eastern Montana with 

 special reference to movements and the relationship of reservoir 

 fencing to production. J. Wildl. Manage. 20:253-262. 



Brewster, W.G., J.M. Gates, and L.D. Flake. 1976. Breeding waterfowl 

 populations and their distribution in South Dakota. J. Wildl. 

 Manage. 40:50-59. 



Bue, I.G., L. Blankenship, and W.H. Marshall. 1952. The relationship 

 of grazing practices to waterfowl breeding populations and pro- 

 duction on stock ponds in western South Dakota, trans. N. Amer, 

 Wildl. Conf. 17:396-414. 



Gjersing, Frank M. 1971. A study of waterfowl production on two rest 

 rotation grazing units in northcentral Montana. M.S. Thesis, 

 Montana State University. 42 pp. 



Hammond, M.C. 1969. Notes on conducting waterfowl breeding population 

 surveys in the north central states. Pages 238-254 vn Saskatoon 

 Wetlands Seminar. Can. Wildl. Serv. Rep. Ser. G. 



Lokemoen, J.T. 1973. Waterfowl production of stock-watering ponds in 

 the Northern Plains. J. Range Manage. 26:179-184 



Montana Department of Natural Resources and Conservation. 1978. Circle 

 West Wildlife Baseline Study, Technical Report No. 2, Helena, Mt. 



Montana Department of Natural Resources and Conservation. 1979. Circle 

 West Vegetation Monitoring Study, Technical Report No. 3, Helena, Mt. 



Rundquist, V.M. 1973. Avian ecology on stock ponds in two vegetational 

 types in northcenral Montana. Phd. Thesis, Montana State Univer- 

 sity. 112 pp. 1973. 



Stewart, R.E., and H.A. Kantrud. 1973. Ecological distribution of 



breeding waterfowl populations in North Dakota. J. Wildl. Manage. 

 37:39-50. 



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