DEPOSITIONAL ENVIRONMENT OF BASAL DEVONIAN AIR-FALL TUFFS, LOWER OLD RED SANDSTONE, SOUTHERN BRITAINWILLIAMS BPJ; ALLEN JR.1980; CONGRES GEOLOGIQUE INTERNATIONAL. 26/1980/PARIS; FRA; ORLEANS: B.R.G.M.; DA. 1980; VOL. 2; PP. 559Conference Paper

INTERFLUVIAL DRAINAGE ON SILURO-DEVONIAN ALLUVIAL PLAINS IN WALES AND THE WELSH BORDERSALLEN JRL; WILLIAMS BPJ.1979; J. GEOL. SOC.; GBR; DA. 1979; VOL. 136; NO 3; PP. 361-366; H.T. 2; BIBL. 23 REF.; 2 ILL.Article

SEDIMENTATION AND PALEOECOLOGY OF THE DEVONIAN ESCUMINAC FORMATION AND RELATED STRATA,ESCUMINAC BAY,QUEBEC.DINELEY DL; WILLIAMS BPJ.1968; GEOL. SOC. AMER., SPEC. PAPER; USA; 1968, NUM. 0106, P. 241 A 264Miscellaneous

SEDIMENTOLOGY AND STRATIGRAPHY OF THE TOWNSEND TUFF BED (LOWER OLD RED SANDSTONE) IN SOUTH WALES AND THE WELSH BORDERS = SEDIMENTOLOGIE ET STRATIGRAPHIE DE LA COUCHE DE TUF TOWNSEND (PARTIE INFERIEURE DES VIEUX GRES ROUGES) DANS LE SUD DU PAYS DE GALLES ET DE LA BORDURE GALLOISEALLEN JRL; WILLIAMS BPJ.1981; J. GEOL. SOC. (LOND.); ISSN 0016-7649; GBR; DA. 1981; VOL. 138; NO 1; PP. 15-29; BIBL. 2 P.; 1 TAB. ; ESQUISSE GEOL./ILL./TABL.Article

THE PENNANT SANDSTONE OF PORTISHEAD.STEAD JTG; WILLIAMS BPJ.1972; PROC. BRISTOL NATURALIST'S SOC.; GBR; 1972,1973, VOL. 32, NUM. 0003, P. 307 A 314Serial Issue

THE ARCHITECTURE OF AN ALLUVIAL SUITE: ROCKS BETWEEN THE TOWNSEND TUFF, AND PICKARD BAY TUFF BEDS (EARLY DEVONIAN), SOUTHWEST WALES = ARCHITECTURE DE LA SERIE ALLUVIALE: ROCHES SITUEES ENTRE LES COUCHES DE TUF TOWNSEND ET LE TUF DE LA BAIE PICKARD (DEVONIEN INFERIEUR), SUD-OUEST DU PAYS DE GALLESALLEN JRL; WILLIAMS BPJ.1982; PHILOS. TRANS. R. SOC. LOND., SER. B; ISSN 0080-4622; GBR; DA. 1982; VOL. 297; NO 1085; PP. 52-89; BIBL. 3 P.; 2 TAB. ; ESQUISSE GEOL./ILL./TABL.Article

OLD RED SANDSTONE FACIES AND WENLOCK STRATIGRAPHY AND PALAEOGEOGRAPHY IN WELSH AND THE WELSH BORDERLANDALLEN JRL; WILLIAMS BPJ.1979; PROC. GEOLOGISTS' ASS.; GBR; DA. 1979; VOL. 90; NO 4; PP. 229-232; BIBL. 17 REF.Article

FIELDS MEETING: THE FACIES OF THE LOWER OLD RED SANDSTONE, NORTH OF MILFORD HAVEN, SOUTHWEST DYFED, WALES = REUNION SUR LE TERRAIN: LES FACIES DE LA BASE DES VIEUX GRES ROUGES, NORD DE MILFORD HAVEN, SUD-OUEST DU DYFED, PAYS DE GALLESALLEN JRL; THOMAS RG; WILLIAMS BPJ et al.1981; PROC. GEOL. ASSOC.; ISSN 0016-7878; GBR; DA. 1981; VOL. 92; NO 4; PP. 251-267; BIBL. 2 P.; ESQUISSE GEOL./COLONNE STRATIGR./ILL.Article

AQUIFER PROPERTIES OF THE BUNTER SANDSTONE IN NOTTINGHAMSHIRE, ENGLANDWILLIAMS BPJ; DOWNING RA; LOVELOCK PER et al.sdIN: 24E CONGR. GEOL. INT. MONTREAL, 1972; OTTAWA 24E CONGR. GEOL. INT. ,1972, VOL. 11, P. 169 A 176Miscellaneous

STRATIGRAPHY AND STRUCTURE OF THE WINSLE-INLIER, SOUTH WEST DYFED, WALES.ALLEN JRL; BASSETT MG; HANCOCK PL et al.1976; PROC. GEOLOGISTS'ASS.; G.B.; DA. 1976; VOL. 87; NO 2; PP. 221-229; BIBL. 7 REF.; 1 ILL.Article