[060-17] Great Horned Owl, Bubo virginianus, and Barred Owl, Strix varia, on an Illinois River Heronry

Bjorklund, Richard G, Miller, James P., and Szluha, Adam

Great Horned Owl, Bubo virginianus, and Barred Owl, Strix varia, on an Illinois River Heronry

Recent Advances in Spectroscopy* Author: Michelson, A.A.

Farm Water Supply Author: Bartow, Edward

The Relation of the State Academy of Science to the Natural History Surrounding the Chicago Academy of Sciences Author: Baker, F.C.

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Recent Advances in Spectroscopy* Author: Michelson, A.A.

Farm Water Supply Author: Bartow, Edward

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