The nitrate occurrences in the districts of Prieska & Hay, Cape province / by G.E.B. Frood and A. L. Hall. - Frood, G. E. B.; Hall, A. L. (Arthur Lewis), 1872-1955. (Johannesburg : Argus print. and publ. co., ltd., 1919)
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.
Includes bibliographical references.
Keywords: Nitrates -- Geological surveys