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 1.  Miller, H. W. (1971) Relation of duck nesting success to land use in North and South Dakota.
        Intern. Congress Game Biol. 10,133-139.

 2.  Higgins, K. F., Kirsch, L. M., Klett, A. T. and Miller, H. W. (1992) Waterfowl production 
         on the Woodworth Station in south-central North Dakota, 1965-1981.  U.S. Fish Wildl. 
         Serv. Resour. Publ. 180.

 3.  Klett, A. T. and Kirsch, L. M. (1976) Diurnal use of small wetlands by ducks.
         J. Wildl. Manage. 40,351-353.

 4.  Higgins, K. F., Kirsch, L. M. and Ball, I. J., Jr. (1969)  A cable-chain device for
         locating duck nests.  J. Wildl. Manage. 33,1009-1011.

 5.  Higgins, K. F., Kirsch, L. M., Duebbert, H. F., Klett, A. T. Lokemoen, J. T. Miller,
         H. W. and Kruse, A.D. (1971) Construction and operation of a cable-chain drag for 
         nest searches.  U.S. Fish Wildl. Serv. Wildl. Leaflet 512.

 6.  Klett, A. T., Duebbert, H. F., Faanes, C. A. and Higgins, K. F. (1986) Techniques for
         studying nest success of ducks in upland habitats in the Prairie Pothole Region.  
         U.S. Fish Wildl. Serv. Resour. Pub. 158.
 
 7.  Kirsch, L. M. (1969) Waterfowl production in relation to grazing.  J. Wildl. Manage. 
         33,821-828.

 8.  Oetting, R. B. and Cassel, J. F. (1971) Waterfowl nesting on interstate highway 
         right-of-way in North Dakota.  J. Wildl. Manage. 35,774-781.

 9.  Duebbert, H. F. and Kantrud, H. A. (1974) Upland duck nesting related to land use
         and predator reduction.  J. Wildl. Manage. 38,257-265.

10.  Nelson, H. K. and Duebbert, H. F. (1974) New concepts regarding the production of 
         waterfowl and other game birds in areas of diversified agriculture.  Internat.  
         Intern. Congress Game Biol. 11,385-394.

11.  Higgins, K. F. (1977) Duck nesting in intensively farmed areas of North Dakota.  
         J. Wildl. Manage. 41,232-242.

12.  Kirsch, L. M. and Kruse, A. D. (1973) Prairie fires and wildlife.  Proc. 1972 Annu.
         Tall Timbers Fire Ecol. Conf. 12,289-303.

13.  Kirsch, L. M. and Higgins, K. F. (1976) Upland sandpiper nesting and management in 
         North Dakota.  Wildl. Soc. Bull. 4,16-20.

14.  Higgins, K. F. and Kirsch, L. M. (1975) Some aspects of the breeding biology of the 
         upland sandpiper in North Dakota.  Wilson Bull. 87,96-102.

15.  Higgins, K. F. (1974) Shorebird and game bird nests in North Dakota croplands.  
         Wildl. Soc. Bull. 3,176-179.

16.  Higgins, K. F., Kirsch, L. M., Ryan, M. R. and Renken, R. B. (1979) Some ecological 
         aspects of marbled godwits and willets in North Dakota.  Prairie Nat. 11,115-118.

17.  Higgins, K. F., Miller, H. W. and Kirsch, L. M. (1986) Waterfowl nesting on an 
         earth-filled cement culvert.  Prairie Nat. 18,115-116.

18.  Johnson, R. F., Jr., Woodward, R. O. and Kirsch, L. M. (1978) Waterfowl nesting 
         on small man-made islands in prairie wetlands.  Wildl. Soc. Bull. 6,240-243.

19.  Higgins, K. F. (1986) Further evaluation of duck nesting on small man-made islands 
         in North Dakota.  Wildl. Soc. Bull. 14,155-157.

20.  Aufforth, A. D., Goetz, H. and Higgins, K. F. (1990)  Duck nesting on islands at 
         J. Clark Salyer Refuge in North Dakota, 1983-1984.  Prairie Nat. 22,1-12.

21.  Higgins, K. F., Kirsch, L. M. and Callow, J. M. (1980) Spring arrival of birds at 
         Woodworth, North Dakota.  Prairie Nat. 12,89-91.

22.  Higgins, K. F., Arnold, T. W. and Barta, R. M. (1984) Breeding bird community colonization 
         of sown stands of native grasses in North Dakota.  Prairie Nat. 16,177-182.

23.  Arnold, T. W. and Higgins, K. F. (1986) Effects of shrub coverages on birds of North Dakota 
         mixed-grass prairies.  Can. Field-Nat. 100,10-14.

24.  Kantrud, H. A. and Higgins, K. F. (1992) Nest and nest site characteristics of some 
         ground-nesting, non-passerine birds of northern grasslands.  Prairie Nat. 24,67-84.

25.  Johnson, D. H. (1996)  Terrestrial bird communities on the Woodworth Study Area. 
         Proc. N.D. Acad. Sci. 50.

26.  Meyer, M. I. (1996)  Upland vegetation at the Woodworth Study Area. Proc. N.D. Acad. Sci. 50.