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Nome: Mapa topográfico Hertford Heath Nature Reserve, altitude, relevo.
Local: Hertford Heath Nature Reserve, Bride's Farm, Hertford Heath, Little Amwell, East Hertfordshire, Hertfordshire, England, United Kingdom (51.77619 -0.04707 51.78112 -0.04254)
Altitude média: 79 m
Altitude mínima: 50 m
Altitude máxima: 102 m