Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky MountainsEbookOccurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky MountainsbyT. Paul MaslinRating: 0 out of 5 stars0 ratingsSave Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains for later