Links
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Texas Parks & Wildlife
https://tpwd.texas.gov/
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Big Bend National Park (Big Bend National Park, Texas)
https://www.nps.gov/bibe/index.htm
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Big Bend Ranch State Park (Marfa, Texas)
https://tpwd.texas.gov/state-parks/big-bend-ranch
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Davis Mountains State Park (Fort Davis, Texas)
https://tpwd.texas.gov/state-parks/davis-mountains
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Lake Amistad National Park (Del Rio, Texas)
https://www.nps.gov/amis/index.htm
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McDonald Observatory (Fort Davis, Texas)
https://mcdonaldobservatory.org/