Line map of Meitetsu Inuyama, Kakamigahara, Hiromi, Yaotsu Line (1979)Reference material:

Nagoya Railroad (Takeshi SIMIZU is responsible for this article),"Answer a Question" ,DENKISHA KENKYUKAI, "THE RAILWAY PICTORIAL" Vol.370, 1979-12, p.157.
Own work
ButuCC