A summary of prairie falcons in Riverside and Imperial counties
By:  by Gary R. Alten for Bureau of Land Management, California Desert District
Contributors: United States.   Bureau of Land Management.   California Desert District
Publisher: s.n.
Published: 1977
Place of publication: S.l
Language: eng
Number of pages: 36
Subjects: Falcons; Prairie falcon
Notes: Cover title.

"April 15, 1977."

CA-060-PH7-1458.

Includes bibliographical references.