Map of Great Britain - Dolgelley (Dolgellau) & Lake Vyrnwy , 1921. Scale=1:63,360. Topography, towns, roads, political boundaries for parts of WalesGeoTIFF3d22ae06-0a1e-4d18-b6d9-0f5ce9685f3aengOrdnance SurveyPublicMap of Great Britain - Dolgelley (Dolgellau) & Lake Vyrnwy, 1921MapsUnited Kingdom--DolgellauUnited Kingdom--Lake Vyrnwy1921University of Maryland