1946-1986 930 ancient antiquities architecture australia conservationandrestoration cumbrialakedistrictlandscapeconservationorganisations:nationaltrust curiositiesandwonders descriptionandtravel earthsciences england geology greatplains guidebooks historicbuildings historicbuildingsconservation historicsites history historynationaltrust(greatbritain) lakedistrict landforms landscapeprotection landscapesconservation measurement metricsystem monuments na2555a83 nationalism nationalparksandreserves nationaltrust(greatbritain) naturalhistory natureconservation naturestudy northernireland physicalgeography pictorialworks scotland to1986 unitedstates wessex