Laycock, George <br/><br/>
The sign of the flying goose; :  a guide to the national wildlife refuges / 
by George Laycock. 
 - 1st ed. 
 - Garden City, N.Y. :  Published for the American Museum of Natural History [by] Natural History Press,  1965. 
 - viii, 299 p. :  ill., maps ;  22 cm. 
<br/><br/>Index: pp. 287-299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wildlife refuges--United States