Miyagase Dam and Ishikoya Dam Dam Cards - Dam Name: Miyagase Dam - Dam Name: Ushikoya Dam - Data Version: Version 1.2 (2015.12) - Data Version: Version 2 (2016.10) - Year of Completion: 1984/2001 - Purpose: Power Generation - Height: 156m - Length: 189m - Water Storage Capacity: 22 million m³ Thank you for viewing. These are dam cards for Miyagase Dam and Ishikoya Dam. The Miyagase Dam card is Version 1.2, which is no longer distributed. I am selling these because I have duplicates.