British regional geology: the Welsh borderland, 2026-02-16T04:06:01+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Earp, J. R.; Hains, Brian Arthur; Pocock, R. W. (Roy Woodhouse), b. 1887 (H. M. Stationery Off., 1971)