00652cam a2200193 a 45000010008000000030008000080050017000160080041000330350012000740400027000860820018001131000027001312450108001582600046002663000038003125040050003506500044004006500014004442304941BD-DhUL20160525150356.0870401s1965    enk           000 0 eng d  a2304941  aANLbengcANLdBD-DhUL04a338.2782bVAS1 aLaan, H. L.,cvan der.14aThe Sierra Leone diamonds :ban economic study covering the years 1952-1961 /c[by] H. L. Van der Laan.  aLondon :bOxford University Press,c1965.  billus., maps. ;a234 P. :c22 cm.  aIncludes index and bibliographycal references 0aDiamond mines and miningzSierra Leone. 0aDiamonds.