This extraordinary view is based upon a photograph taken around 1865. See: https://hunterlivinghistories.com/wp-content/uploads/2008/02/1990-mulimbahhouseeje.pdf A discussion of this engraving and its original source photograph from circa 1865 is here: https://hunterlivinghistories.com/2019/03/07/earliest-photograph/ Gionni Di Gravio University Archivist & Chair, Hunter Living Histories