USGS Home
Contact USGS
Search USGS

Geissler, P. H., and J. R Sauer. 1990. Topics in route-regression analysis. 
     Pages 54-57 in J. R. Sauer and S. Droege, editors. Survey designs and 
     statistical methods for the estimation of avian population trends. U.S. 
     Fish and Wildlife Service, Biological Report 90(1).

King, J. W. 1991. Effects of the Conservation Reserve Program on selected 
     wildlife populations in southeast Nebraska. Unpublished M.S. Thesis. 
     University of Nebraska, Lincoln, Nebraska. 39 pp.

Robbins, C. S., D. Bystrak, and P. H. Geissler. 1986. The breeding bird 
     survey: Its first fifteen years, 1965-1979. U.S. Fish and Wildlife 
     Service Resource Publication 157. 196 pp.

Stewart, R. E., and H. A. Kantrud. 1972. Population estimates of breeding 
     birds in North Dakota. Auk 89:760-788.