=LDR 22 4500 =001 6411 =082 04$a551.09415 LON =100 1\$aLong, C.B. =245 10$aGeology of North Mayo =260 \\$aDublin :$bGeological Survey of Ireland,$c1992 =650 \0$aBooks =700 1\$aMacDermot, C.V. =700 1\$aMorris, J.H. =700 1\$aSleeman, A.G. =700 1\$aTietzsch-Tyler, D. =852 \\$bGeography Basement$h551.09415 LON