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 Prepared under the direction of Paul G. Redington, _Chief, Bureau of Biological Survey_, in the Division of Predatory-Animal and Rodent-Control, Stanley P. Young, _Principal Biologist, in Charge_…
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