urn:ngsi-v2:DamPref:1DamPref

栃木県矢板市長井

2026-07-22T07:10:00.000Z0.25{"type":"Point","coordinates":[139.864444,36.8475]}矢板土木事務所70.32寺山ダム1宮川那珂川392.98848.5 urn:ngsi-v2:DamPref:2DamPref

栃木県那須塩原市金沢

2026-07-22T07:10:00.000Z4.5{"type":"Point","coordinates":[139.884722,36.951667]}矢板土木事務所74.7塩原ダム2箒川那珂川401.653098.1 urn:ngsi-v2:DamPref:3DamPref

栃木県塩谷郡塩谷町上寺島

2026-07-22T07:10:00.000Z0.46{"type":"Point","coordinates":[139.825,36.816944]}矢板土木事務所70.84西荒川ダム3西荒川那珂川352935 urn:ngsi-v2:DamPref:4DamPref

栃木県塩谷郡塩谷町上寺島

2026-07-22T07:10:00.000Z1{"type":"Point","coordinates":[139.828611,36.846944]}矢板土木事務所71.47東荒川ダム4荒川那珂川514.412818.3 urn:ngsi-v2:DamPref:5DamPref

栃木県日光市湯西川

2026-07-22T07:10:00.000Z1.04{"type":"Point","coordinates":[139.549722,36.955]}日光土木事務所41.04三河沢ダム5三河沢川利根川878.34215.6 urn:ngsi-v2:DamPref:6DamPref

栃木県日光市中宮祠

2026-07-22T07:10:00.000Z0{"type":"Point","coordinates":[139.499167,36.738611]}日光土木事務所44.6中禅寺ダム6大谷川利根川1272.28456 urn:ngsi-v2:DamPref:7DamPref

栃木県足利市松田町

2026-07-22T07:10:00.000Z0.08{"type":"Point","coordinates":[139.425,36.426389]}安足土木事務所100.3松田川ダム7松田川利根川238.871130.6