Amphibians of Washington and Oregon
By: by William P. Leonard ... [et al.].
Contributors: Leonard, William P.; Seattle Audubon Society.
Series: The Trailside series / Seattle Audubon Society; Trailside series
Publisher: Seattle Audubon Society
Published: 1993
Place of publication: Seattle, Wash
Language: eng
Number of pages: 168
Subjects: Amphibians -- Washington (State); Amphibians -- Oregon; Amphibians -- Washington (State) -- Identification; Amphibians -- Oregon -- Identification
Notes: "Sponsored by: U.S. Environmental Protection Agency ... [et al.]"--T.p. verso.

Includes bibliographical references (p. 154-157).