Areas of land or water which either: (1) retain to some degree, or have re-established, a natural character (although it need not be completely undisturbed); or (2) have unusual flora, fauna, geological, scenic, or similar features or scientific, educational or recreational interest.
NEVADA NATURAL HERITAGE SITE (NEVADA)
Meaning of NEVADA NATURAL HERITAGE SITE (NEVADA) in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012