
About this site
Since September 2002
Site manager information
Record of updates
- March 19th, 2023
- Data of Mount Ryogai (Tochigi) was modified.
- March 12th, 2023
- Data of Asa river (Tokyo) was modified.
- March 5th, 2023
- Data of Takemori (Yamanashi) was modified.
- February 26th, 2023
- Data of Otome Mine (Yamanashi) was modified.
- February 19th, 2023
- Data of Chichibu Mine (Saitama) was modified.
- February 12th, 2023
- Data of Shintani Mine (Tokyo) was modified.
- February 5th, 2023
- Data of Ikenofukuro (Nagano) was modified.
- January 29th, 2023
- Data of Augite from Akima river (Gunma) was modified.
- January 22nd, 2023
- Data of Nagusa (Tochigi) was modified.
- January 15th, 2023
- Data of Nomaki (Saitama) was modified.
- January 1st, 2023
- Almandine of Yukiiri (Ibaraki) was added.