In addition, Kohei MIYAZAKI caused a stir in the academic world at that time, where there were discussions concerning the coastline of the time, by pointing out the route and journey and saying 'it should be recalled that the ancient coastline was different from the one at present.'
なお、宮崎康平は、道程に関して「古代の海岸線は現代とは異なることを想起しなければならない」と指摘し、現在の海岸線で議論を行っていた当時の学会に一石を投じた。