Blacklock, G.W.Slack, R.D.Blankinship, D.B.Kennedy, S.King, K.A.Paul, R.T.Smith, J.Telfair, R.C., IIIProceedings of the 1978 conference of the colonial waterfowl group.2010-02-152010-02-151978http://hdl.handle.net/1969.3/21911p. 99-104.No abstract availablebirdswaterfowlaquatic birdscensuspopulation numberpopulation characteristicsChapter