Field manual of Oregon amphibians
By: Charlotte C. Corkran and Chris Thoms (Northwest Ecological Research Institute) ; photographs and drawings by the authors ; with keys to amphibian eggs by Marc P. Hayes.
Contributors: Thoms, Chris.; Hayes, Marc P.; Northwest Ecological Research Institute.; United States. Forest Service.; United States. Dept. of the Interior.; Oregon. Dept. of Fish and Wildlife.
Edition: Field test ed. for 1994.
Publisher: U.S. Forest Service, Dept. of Agriculture; U.S. Dept. of the Interior; Oregon Fish & Wildlife
Published: 1994
Place of publication: [Oregon?]
Language: eng
Number of pages: 92
Subjects: Amphibians -- Oregon.; Amphibians -- Oregon -- Identification.
Genres: Identification.
Other titles: Amphibian manual.
Notes: "1/94."

Includes bibliographical references (p. 91-92).