00826cam a22002291 4500 gs 22000276 DLC 20260227111326.0 790530s1922 xx 000 0 eng c gs 22000276 (OCoLC)5016352 Library, U.S. Geological Survey OCl DLC premarc QE324 .A3 no. 18 Hall, Arthur Lewis, 1872- A bibliography of South African geology to the end of 1920: Authors' index, by A. L. Hall. Pretoria, The Government printing and stationery office, 1922. 376 p. 25 cm. South Africa. Geologial survey. Memoir no. 18 At head of title: Union of South Africa. Department of mines and industries. Geology South Africa Bibliography. 26183 26183