Geology of the south-east Machakos area, degree sheet 52, S. E. quadrant.
- Nairobi, Govt. Printer, 1953.
- 20 p. maps (1 fold. col. in pocket) tables. 25 cm.
Cover title.
With : Geology of the Sotik District, degree sheet 42 SW quadrant. Nairobi : Government Printer, 1949. Bound together subsequent to publication.