Letter from Vigne, Mallett, and Honey, Salisbury (Harare), enclosing a copy of a letter from J.M. Orpen, Surveyor-General, Salisbury (Harare), about titles to Inyanga (Nyanga) farms bought on behalf of Rhodes, for which sketch maps are needed; with a related letter from Orpen to Rhodes, 16-17 Dec 1897