Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA cyclicity in the early brigantian (D2) limestones east of the clwydian range, north wales and its use in correlation.AuthorsSomerville, I. D.PublicationGeological Journal, 1979, Vol 14, Issue 2, p69ISSN0072-1050Publication typeArticleDOI10.1002/gj.3350140205