00993cam a22002771  4500001001300000003000400013005001700017008004100034010001700075015001400092035001900106040004500125050001900170110004000189245013100229250004100360260004200401300002500443500006600468650002300534650002800557650003300585700002400618700002500642710004800667gs 63000067 DLC20260227111412.0800805s1963    enk      c   f000 0 eng c  ags 63000067   aGB63-7585  a(OCoLC)6587659  aU.S. Geol. Survey. Libr.cAzTeSdUkdDLC00aQE51b.G7 19632 aGeological Survey of Great Britain.10aClassified geological photographs,bselected from the collections of the Geological Survey and Museum,cby Margaret O. Morris.  a3d ed.bRev. by Patricia M. Statham.  aLondon,bH.M. Stationery Off.,c1963.  aviii, 126 p.c25 cm.  aAt head of title:  Dept. of Scientific & Industrial Research. 0aGeologyvCatalogs. 0aGeologyzGreat Britain. 0aClassificationxPhotographs.1 aMorris, Margaret O.1 aStatham, Patricia M.2 aMuseum of Practical Geology (Great Britain)