Undercover wildlife agent
Subtitle: the casebook of federal conservation officer Robert O. Halstead
By: James H. Phillips.
Contributors: Halstead, Robert O.
Publisher: Winchester Press
Published: 1981
Place of publication: Tulsa, Okla
Language: eng
Number of pages: 108
Subjects: Halstead, Robert O.; Undercover wildlife agents -- United States -- Biography.; Wildlife conservation -- United States.; Undercover operations -- United States.