00917cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040005300111042001200164050001400176082001100190110004000201245010100241260007400342300002300416490004700439500007200486650003900558830004900597999001700646gs 28000280 DLC20260227111332.0820603s1928    enk      c   f000 0 eng c  ags 28000280   a(OCoLC)8486427  aLibrary, U.S. Geological surveycMH-AdMH-AdDLC  apremarc00aQE51b.G7  a510 Cp2 aGeological Survey of Great Britain.10aClassified geological photographs from the collection of the Geological Survey of Great Britain.  aLondon,bPrinted under the authority of H. M. Stationery Off.,c1928.  aiii, 76 p.c25 cm.1 a[Great Britain] Geological Survey. Memoirs  aAt head of title: Department of Scientific and Industrial Research. 0aGeologyxCatalogs and collections. 0aMemoirs (Geological Survey of Great Britain)  c26656d26656