Staff of the Institute of Geochemistry and Geophysics of the Academy of Sciences of the BSSR: senior cartographer F.A.Lagutkova, senior researcher Candidate of Geological and Mineralogical Sciences V.Ya.Kozhenov, Senior Cartographer M.M.Zhingel, intern researcher N.P.Ivanenko and senior researcher Candidate of Geological and Mineralogical Sciences V.A.Moskvich for the compilation of regional March 1985, Minsk, BelTA Photo Chronicle, A.Tolochko