erovnuli-samecniero-biblioteka Search for 'au:"Hall, A. L."'

The geology of the Barberton gold mining district, including adjoining portions of northern Swaziland /

By Hall, A. L..
Pretoria : Govt. Print. and Stationery Office, 1918 .
347 p., [2] fold. leaves of plates : , At head of title: Union of South Africa. Department of mines and industries. | A folded geological map accompanying no. 9, issued separately. | Includes index. 25 cm..

]]> Place hold on The geology of the Barberton gold mining district, including adjoining portions of northern Swaziland /

The nitrate occurrences in the districts of Prieska & Hay, Cape province / by G.E.B. Frood and A. L. Hall.

By Frood, G. E. B..
Johannesburg : Argus print. and publ. co., ltd., 1919 .
51 p., [1] fold. leaf of plates : , At head of title: Union of South Africa, Department of Mines and Industries. 25 cm..

]]> Place hold on The nitrate occurrences in the districts of Prieska & Hay, Cape province /

A bibliography of South African geology for the years 1931 to 1935 (inclusive). Author's index /

By Hall, A. L..
Pretoria : Government printer, 1937 .
168 p. ; , At head of title: Union of South Africa. Department of Mines. | Continuation of Memoirs 18, 22, 25 and 27. 25 cm..

]]> Place hold on A bibliography of South African geology for the years 1931 to 1935 (inclusive).

A subject index to the literature of South African geology and mineral resources for the years 1921 to 1935 (inclusive) : A companion volume to Memoirs 25, 27, and 30 (Bibliographies 1921-1935, Authors' index) /

By Hall, A. L..
Pretoria : Govt. Printer, 1939 .
288 p. ; , At head of title: Union of South Africa, Department of Mines. 24 cm..

]]> Place hold on A subject index to the literature of South African geology and mineral resources for the years 1921 to 1935 (inclusive) :