Soil Surveys and Soil Maps
Hamilton, W. M. Grange, L.I. (1938). The soils and agriculture of Western Samoa. DSIR Bulletin 61. Wellington, New Zealand, Department of Scientific and Industrial Research. 31p.
Wright, A. C. S. (1963). Soils and Land Use of Western Samoa. New Zealand Soil Bureau Bulletin 22. Wellington, Department of Scientific and Industrial Research. 188p.
Maps to accompany report (all 1:100,000 scale)
Soils of Upolu (1:40,000 scale in 8 sheets): Sheet 1 - Mulifanua | Sheet 2 - Saleimoa | Sheet 3 - Safata | Sheet 4 - Apia | Sheet 5 - Falealili | Sheet 6 - Falefa | Sheet 7 - Lepa | Sheet 8 - Aleipata
Cowie, J.D. (1974). Soils of Asau Block, Savai'i, Western Samoa. New Zealand Soil Survey Report 21. Department of Scientific and Industrial Research, Wellington, New Zealand. 38 pp.
Map to accompany report: Map SB150.
Map to accompany report: Map SB150.
ANZDEC Consultants Ltd. and DSIR Land and Soil Sciences (1990). Land Resource Planning Study Western Samoa: Final Report. Lower Hutt, New Zealand, ANZDEC in association with DSIR Land and Soil Sciences, 97p.
Maps to accompany report (all 1:50,000 scale in 6 sheets)
Soils: Savai'i: Sheet 1 | Sheet 2 | Sheet 3; Upolu: Sheet 4 | Sheet 5 | Sheet 6 (note that this is the same info as displayed on the Maps page)