01223cam a22002774a 4500 gs 19000482 DLC 20260227111324.0 850709s1919 sa af b 000 0 eng gs 19000482 (OCoLC)12243314 U.S. Geol. survey. Library TxHR OCoLC DLC premarc QE324 .A3 no. 14 Frood, G. E. B. The nitrate occurrences in the districts of Prieska & Hay, Cape province / by G.E.B. Frood and A. L. Hall. Johannesburg : Argus print. and publ. co., ltd., 1919. 51 p., [1] fold. leaf of plates : ill., diagrs. ; 25 cm. Geological survey memoir ; no. 14 At head of title: Union of South Africa, Department of Mines and Industries. With: The geology of the Murchison range and district / by A.L. Hall. Pretoria : The Govt. Print. and Stationary Office, 1912. Bound together subsequent to publication. DLC Includes bibliographical references. Nitrates Geological surveys. Hall, A. L. (Arthur Lewis), 1872-1955. Memoir (Geological Survey (South Africa)) ; no. 14. 25973 25973