1. Adaddey E (1983) Geology of Prestea goldfields: Prestea mine report, unpublished, 11 pp
2. Akabzaa TM (2004) Evaluation of evaluation of metal leaching and acid rock drainage risks in the Nsuta–Tarkwa–Damang–Bogoso–Prestea mining axis, Southwestern Ghana. Ph.D. thesis, University of Ghana, unpublished, pp 50–85
3. Amonoo-Neizer EH, BusariI GL (1980) Arsenic status of Ghana soils—contamination of soils near gold smelters Ghana. J Sci 20(1 and 2):57–62
4. APHA, AWWA, WEF (1998) Standard methods for the examination of water and wastewater. 20th edit, American Public Health Association, American Water Works Association, and World Environmental Foundation, Washington DC, pp 32–65
5. Appelo CA, Postma D (1999) Geochemistry, groundwater and pollution. AA Balkema, Rotterdam, pp 10–69