Appendix A. A table showing characteristics of fields in study areas in central North Dakota during the 1996 and 1997 breeding seasons. HornDavid Joseph L. PhillipsMichael KofordRolf R. ClarkWilliam R. A. SovadaMarsha GreenwoodRaymond J. 2016 A table showing characteristics of fields in study areas in central North Dakota during the 1996 and 1997 breeding seasons.