Data taken from 'Table 3. Status of small populations of elephants during the dry season of 2014' in the report cited, in which D. Drummond gives a speculative population of 100 elephants (bulls & cow herds), noting that 'Approximately 100 elephants on Rocky Glen, moving onto Swallowford and Crystal Springs ranches.'.
Source:Dunham, K. C. (2015). National Summary of Aerial Survey Results for Elephant in Zimbabwe: 2014. Harare, Zimbabwe: Parks and Wild Life Management Authority.