=LDR            22        4500
=001  5504
=082  04$a526.9 GRE
=110  2\$aGreat Britain Ministry of Defence
=245  10$aTextbook of Topographical Surveying
=260  \\$aLondon :$bH. M. S. O.,$c1965
=650  \0$aBooks
=852  \\$bFreeman Library$h526.9 GRE