Industrial Heritage Course Takehara Kofun A circular mound within the Suwa Jinja shrine that has a diameter of 18 meters and a height of 5 meters. Experience Industrial Heritage Course Miyawaka-shi View the details >> Ongagawa Source Pump Station Built in 1910 and still active. The inside is not accessible. Experience Industrial Heritage Course Nakama-shi View the details >> Steam Engine ALCO 23 Used in the Kajima Coal Mine, which is in present day Miyakawa. Experience Industrial Heritage Course Kotake-machi View the details >> Coal Resource Exhibit A restored mining site, this exhibition shows off the region’s coal culture. Experience Industrial Heritage Course Kurate-machi View the details >> Previous