Metallogeny in Russia's drive for ore deposits
A glimpse at Kootenay and its wonders
Thunder mountain region, Idaho county, Idaho
Adsorption coefficients for TNT on soil and clay minerals
Application of Unpiloted Aircraft in Land Resource Management of Sichuan Province
Greece General Inspection of Mines -- Bulletin of Mining Activities of Greece
Direccion de Minas. Venezuela. Ministerio de minas e hidrocarburos
Prospektion mariner Mineralseifen durch Bohrkernentnahme mit In-line-Roentgenfluoreszenz-Analyse
Aleutian Seismic Program, Seismological Bulletin, October 1970
Aleutian Seismic Program. Seismological Bulletin, May 1970
Annual Progress of Quaternary Geology in China