Red Rock Lakes, a national wildlife refuge for trumpeter swans
By: by Ward M. Sharp and Winston E. Banko ; illustrations by Bob Hines.
Contributors: Banko, Winston E.; U.S. Fish and Wildlife Service.
Series: Conservation in action -- no. 10.
Publisher: U.S. Government Printing Office
Published: 1953
Place of publication: Washington
Language: eng
Subjects: Trumpeter swan; Wildlife conservation -- Montana; Red Rock Lakes National Wildlife Refuge (Mont.)