B. Settled districts of S. Australia as divided into counties, by the same, 1849; 4 ft. 4 in. x 3 ft. 9 in. . Major-General Edward Charles Frome, RE: Triangulation of S. Australia and map of the settled districts: 1849.
A. Plan of the triangulation of S. Australia by Capt. E. C. Frome, R.E., 1849 ; 4 ft. 4 in. x 2 ft. 6 in..- Major-General Edward Charles Frome, RE: Triangulation of S. Australia and map of the settled districts: 1849.