P.D. Skaar's Montana bird distribution
By: revised by Susan Lenard ... [et al.].
Contributors: Susan Lenard.; John Carlson.; Janet Ellis.; Cedron Jones.; Chuck Tilly.; Skaar, Palmer David.
Edition: 6th ed.
Series: Montana Natural Heritage Program
Publisher: Montana Natural Heritage Program
Published: 2003
Place of publication: Helena
Language: eng
Number of pages: 144
Subjects: Birds -- Montana.
Other titles: Montana Bird Distribution.; Montana bird distribution.