KuniJiban allows visitors to access to borehole data held by Ministry of Land, Infrastructure, Transport and Tourism.
- Jun.30, 2010
Borehole Browser using Denshikokudo Web System has been renovated. - Aug.08, 2008
English version has been released. - Mar.28, 2008
Service has been released.
Borehole data (June 30, 2010)
| Hokkaido | 500 |
| Tohoku | 7,500 |
| Kanto | 13,000 |
| Hokuriku | 3,500 |
| Chubu | 8,500 |
| Kinki | 11,500 |
| Chugoku | 12,000 |
| Shikoku | 4,000 |
| Kyushu | 14,500 |
| Okinawa | 500 |