cam a22 u 4500 128626380 CHVBK 20200921070531.0 880212s1981 xxub | 00 |eng|d (OCoLC)636151915 (NEBIS)000275664 ETH-BIB ger ETH-BIB ETHICS-ISBD History of the Bureau of economic geology, 1909-1960 W.Keene Ferguson Austin - Tex. Bureau of economic geology - University of Texas at Austin 1981 IX, 329 p. 24 cm fig.; portr. ANGEWANDTE GEOLOGIE UND GEOPHYSIK ger (ETHUDK)000019934 ethudk WIRTSCHAFTSGEOLOGIE + MINERALLAGERSTÄTTEN ger (ETHUDK)000020627 ethudk u ANGEWANDTE GEOLOGIE UND GEOPHYSIK ger 550.8 nebis E1 u WIRTSCHAFTSGEOLOGIE + MINERALLAGERSTÄTTEN ger 553 nebis E1 u GÉOLOGIE ET GÉOPHYSIQUE APPLIQUÉE fre 550.8 nebis E1 u APPLIED GEOLOGY AND GEOPHYSICS eng 550.8 nebis E1 u GISEMENTS + GÉOLOGIE ÉCONOMIQUE fre 553 nebis E1 u MINERAL DEPOSITS + ECONOMIC GEOLOGY eng 553 nebis E1 Ferguson W.K. University of Texas Austin, TX Bureau of Economic Geology (DE-588)1090414501 BK020000 XK020000 XK020000 NEBIS E16 E16 RH R 1982/911 NEBIS 700 1- Ferguson W.K. NEBIS 710 2- University of Texas Austin, TX Bureau of Economic Geology (DE-588)1090414501