R. A. Senger

• Geological report on the field sheets nos. 0703C1 and 0703C3 (157, 159) Berekum S.W. and N.W
• Geological report on the map sheets 0703 D1 and 0703 D3 (161, 163) Sunyani S.W. and N.W
• Geology of the 1/4° field sheet 79, Asafo N.W
• Geology of the 1/4° field sheet 80, Asafo N.E
• Preliminary report on the geology of the 1/4° field sheet no. 78, Asafo S.E
• The geology of 1/4° field sheet 77, Asafo S.W
• The geology of field sheets 83 and 84, Wiawso N.W. and Wiawso N.E