Must they die? : The strange case of the prairie dog and the black-footed ferret.

Bibliographic Details
Main Author:	McNulty, Faith
Format:	Book
Language:	English
Published:	Garden City, N.Y. : Doubleday, 1971.
Edition:	[1st ed.].
Subjects:	United States. > Bureau of Sport Fisheries and Wildlife. > Branch of Predator and Rodent Control. Black-footed ferret. Prairie dogs. Wildlife conservation > United States.

Description
Physical Description:	vi, 86 pages : illustrations ; 22 cm.