The Guadalupe River is one of the most biologically diverse rivers in the USA.
diane mcmahon
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Kerrville, Texas
Ms. McMahon of Kerrville is retired from the United Space Alliance, NASA. Ms. McMahon received a Bachelor of Science and Master of Science in Biological Sciences from the University of Houston, Clear Lake. She is an active Master Naturalist and Master Gardener, and has been a member of the board of directors for the Upper Guadalupe River Authority since 2015. Previously, Ms. McMahon served on the Headwaters Groundwater Conservation District board for eight years, as well as on the City of Kerrville Parks and Recreation Advisory Board.