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National parks and reserves --- National parks and reserves --- Public opinion. --- Public use --- Big South Fork National River and Recreation Area (Tenn. and Ky.)

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Wild and scenic rivers --- National parks and reserves --- Public opinion. --- Obed Wild and Scenic River (Tenn.)

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National monuments --- Historic sites --- National parks and reserves --- Public opinion. --- Canyon de Chelly National Monument (Ariz.)

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National monuments --- National monuments --- Tourism --- Public use --- Public opinion. --- White Sands National Park (N.M.)

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National parks and reserves --- National parks and reserves --- Public use --- Public opinion. --- Mesa Verde National Park (Colo.)