Report Number: 182 Walindi Plantation (L.K. Searle) Soil Survey of Planted Areas, 16pp. (Die Back disease in the cacao.) Includes map with scale 1"= 5 chns.
Report Number: 69 Nalukoru Land, Talasea Sub-District, 5pp. Chem. Analyses W39-W40. Includes map with scale 1" =10 chns