The data for Map 1 has been derived from Charles Meldrum's report (pages 64–65) in the Sanitary Commission (1882) which has been employed in Assignment 1 as well. Map 2 is a modification of Assignment 2.
The locations have been derived from contemporary maps. The actual locations need to be updated to correspond to historic maps such as by Alexandar Descubes. The transcription of the data and its methodological assessment is incomplete as at now.