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A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1903)

A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1919)

A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1905)

A popular handbook of the ornithology of eastern North America - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1891)

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Population dynamics of key raptor species in the Kevin Rim Raptor Study Area, 1999 : challenge cost share progress report to: Bureau of Land Management, Great Falls District - Harmata, Alan R ([Montana State University, Department of Biology, Fish & Wildlife Program], 1999)

Population dynamics of key raptor species in the Kevin Rim Raptor Study Area, 2001 : challenge cost share progress report to: Bureau of Land Management, Great Falls District - Harmata, Alan R ([Montana State University, Department of Ecology, Fish & Wildlife Program], 2001)

Population dynamics of key raptor species in the Kevin Rim Raptor Study Area, 2000 : challenge cost share progress report to: Bureau of Land Management, Great Falls District - Harmata, Alan R ([Montana State University, Department of Biology, Fish & Wildlife Program], 2000)

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