1. Using social media to discover public values, interests, and perceptions about cattle grazing on park lands Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Barry, Sheila J. (author) Format: Journal article Publication Date: 2014 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 138 Document Number: D05783 Journal Title: Environmental Management Journal Title Details: 53 : 454-464