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![Vast sand dunes with stormy clouds in the sky.](https://natureconservancy-h.assetsadobe.com/is/image/content/dam/tnc/nature/en/photos/t/n/tnc_68379664.jpg?crop=0%2C750%2C4000%2C1500&wid=3200&hei=1200&scl=1.25)
Great Sand Dunes National Park
A complex set of real estate transactions by TNC led to the designation of the Great Sand Dunes National Park in Colorado.
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Nick Hall
Southern High Plains: Connecting the Big Wide Open
![A fluffy bird is perched on a stick.](https://natureconservancy-h.assetsadobe.com/is/image/content/dam/tnc/nature/en/photos/w/e/WesternMeadowlark_SidraMonreal_TNCPhotoContest2019.jpg?crop=670%2C0%2C2691%2C2691&wid=640&hei=640&scl=4.2046875)
A Western Meadowlark
A Western Meadowlark perches on a fencepost in the prairie
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Sidra Monreal/TNC Photo Contest 2019
See the Places We Protect in Your Community
With your help, The Nature Conservancy in Colorado has helped protect more than 1 million acres and improve more than 1,000 river miles across the state.