Learn about the Hagerman National Wildlife Refuge in Sherman, also what Texans can do to stop the inhumane practice of shark finning. Free. REI 4515 Lyndon B Johnson Freeway Dallas , TX Event URL Event Tags Wildlife Stewardship / Faith Public Policy Environmental Organization or Group Environment Conservation Bird & Nature Walks Date and Time Jan 09 2013 | 1:00am - Jan 09 2013 | 2:30am