Geology of the country around Pwllheli : memoir for 1:50 000 geological sheet 134 (England and Wales) /
Young, T. P.(Timothy Peter),1959-
Gibbons, Wes.
McCarroll, Danny.
British Geological Survey.
London : Stationery Office,
2002.
At head of title page: British Geological Survey.
Includes bibliography and index.
Geology