Common garter snake
Subtitle: Thamnophis sirtalis
By: by B. Donovan and N. Allen.
Contributors: Allen, N.; Oregon State University. Extension Service.
Series: EC / Oregon State University Extension Service -- 1602.; Extension circular (Oregon State University. Extension Service) -- 1602.
Publisher: Oregon State University, Extension Service
Published: 2007
Place of publication: [Corvallis, Or.]
Language: eng
Subjects: Common garter snake.
Notes: Title from caption.

"April 2007."

Also available online.