Mid and north Wales
By: excursion organisers and leaders: E. Watson, D. F. Ball ; assisted by Sybil Watson.
Contributors: Ball, D. F.
Series: Guidebook for excursion - International Union for Quaternary Research ; C9
Publisher: International Union for Quaternary Research
Published: 1977
Place of publication: [Birmingham, Eng.]
Language: eng
Number of pages: 48
Subjects: Geology -- Wales -- Guidebooks.; Geology, Stratigraphic -- Quaternary -- Guidebooks.
Notes: On cover: INQUA 1977.

Bibliography; p. 46-48.