01175cam a22002891a 4500 gs 26000226 DLC 20260227111330.0 860307s1925 sa ab b f001 0 eng c gs 26000226 (OCoLC)13253980 U.S. Geol. Survey. Library NhD GU DLC premarc f-sa--- QE324 .A3 no. 23 Wybergh, Wilfrid John, 1868- The economic geology of Sabie and Pilgrims Rest / by W.J. Wybergh ; published by authority of the Honorable the Minister of Mines and Industries. Pretoria : Govt. Print. and Stationery Office, 1925. 124, [4] p. : ill., maps ; 24 cm. Memoir ; no. 23 At head of title: Union of South Africa. Department of Mines and Industries. Geological Survey. Two colored maps on 2 folded sheets in pocket. Includes bibliographical references (p. 11) and index. Geology, Economic South Africa Sabie. Geology, Economic South Africa Pilgrim's Rest. Memoir (Geological Survey (South Africa)) ; 23. 26471 26471