00988cam a22002651 4500 gs 35000170 DLC 20260227111339.0 860218s1935 sa ab 000 0 eng c gs 35000170 (OCoLC)13163676 Library, U.S. Geological Survey NhD DLC premarc TN967 .K85 Kupferbürger, Wilhelm, 1896- The travertine deposits near Port St. Johns, by W. Kupferburger ... Pretoria, The Government printer, 1935. 15 p. incl. maps., diagr. 24 cm. South Africa. Geological Survey. Geological series. Bulletin, no. 4 At head of title: ... Union of South Africa. Department of mines. Publication of the Geological survey division. Winter. Mines and mineral resources South Africa Port St. Johns. Geological Survey (South Africa). Bulletin ; no. 4. 27189 27189