Information for the guidance of field men and cooperators of the bureau of biological survey engaged in the control of injurious rodents and predatory animals
Redington, P.G., Young, S.P.
Information for the guidance of field men and cooperators of the bureau of biological survey engaged in the control of injurious rodents and predatory animals - Washinton 1931 - 1-8 p. - Field, Biological United States Department of Agriculture. Miscellaneous Publication No. 115 .
Information for the guidance of field men and cooperators of the bureau of biological survey engaged in the control of injurious rodents and predatory animals - Washinton 1931 - 1-8 p. - Field, Biological United States Department of Agriculture. Miscellaneous Publication No. 115 .