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  1. Grassland bird surveys in north Valley County, Montana : 2001-2006 /
    By: Hendricks, Paul, - Carlson, John. - Currier, Coburn, - Lenard, Susan. - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,c2007.
    Contributed by: Montana State Library (archive.org)
    Subjects: Bird populations  Birds  Breeding  Ecological surveys  Montana  Surveys  Valley County  Wildlife conservation  
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  2. Surveys for grassland birds of the Malta Field Office-BLM, including a seven-year study in north Valley County /
    By: Carlson, John. - Currier, Coburn. - Hendricks, P. - Lenard, Susan. - Maxell, Bryce A. - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c2008.
    Contributed by: Montana State Library (archive.org)
    Subjects: Bird populations  Birds  Blaine County  Estimates  Geographical distribution  Grasslands  Habitat surveys  Management  Montana  Phillips County  Rare birds  Valley County  
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