Maritime history of Porthmadog and district at Plas Tan y Bwlch

8-10 June, Maritime history of Porthmadog and district at Plas Tan y Bwlch. A two-day residential course organised by Dr David Gwyn and Marian Gwyn involving lectures and study visits. On Sunday, 10 June at 11am, Royal Commission Maritime Officer, Deanna Groom will talk on Slate shipwrecks.  For further information, please visit:  http://www.snowdonia.gov.wales/study-centre/public-courses/course-details/history-and-archaeology/maritime