Surf these sites: Friends of the Prairie Learning Center -- Neal Smith National Wildlife Refuge. Largest re-creation of the tallgrass prairie ecosystem in the U.S. Also environmental education. Grand Prairie Friends -- Illinois nonprofit agency committed to protecting tallgrass prairie. Save the Prairie Society -- Sponsors tours and activities as an educational service, land acquisition, volunteer land management to protect prairie. Tallgrass Prairie National Preserve (NPT) -- A project of the National Park Trust (NPT) in cooperation with the National Park Service (NPS).
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