1. E. L. Nel is a Professor in the Department of Geography, Rhodes University, Grahamstown, South Africa (tel: ; fax: ;).
2. T. R. Hill is a Senior Lecturer in the Discipline of Geography, School of Applied Environmental Sciences, University of KwaZulu-Natal, Pietermaritzburg Campus, South Africa (tel: ; fax: ;).
3. C. K. Goodenough is the L. E. L. Administrator, Zululand Chamber of Business Foundation, Box 649, Richards Bay South Africa (tel: ; fax: ;).