Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Admiralty chart
Admiralty
(publisher)
Admiralty Chart for "England - South Coast, Portland Harbour. From surveys by the South Coast of England Survey, 1946-1956. With additions and corrections to 1962. The Topography is taken chiefly from the Ordnance Survey". Folio No. 2268.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.