Ceylon : General soil map /
Ceylon.Vārimārga Depārtamēntuva.Iḍam Ayōjana Aṃs̄aya.
Ceylon.Minindōru Depārtamēntuva.
[Colombo],
1967.
Includes index map to the Ceylon topographic maps, 1 mile to 1 in. series.
Soils