urn:ngsi-v2:DamPref:1DamPref

栃木県矢板市長井

2026-06-13T15:50:00.000Z0.17{"type":"Point","coordinates":[139.864444,36.8475]}矢板土木事務所70.21寺山ダム1宮川那珂川391.57742.8 urn:ngsi-v2:DamPref:2DamPref

栃木県那須塩原市金沢

2026-06-13T15:50:00.000Z3.49{"type":"Point","coordinates":[139.884722,36.951667]}矢板土木事務所73.59塩原ダム2箒川那珂川404.583683.3 urn:ngsi-v2:DamPref:3DamPref

栃木県塩谷郡塩谷町上寺島

2026-06-13T15:50:00.000Z0.1{"type":"Point","coordinates":[139.825,36.816944]}矢板土木事務所70.91西荒川ダム3西荒川那珂川352.29978.5 urn:ngsi-v2:DamPref:4DamPref

栃木県塩谷郡塩谷町上寺島

2026-06-13T15:50:00.000Z0.78{"type":"Point","coordinates":[139.828611,36.846944]}矢板土木事務所71.03東荒川ダム4荒川那珂川514.692868.2 urn:ngsi-v2:DamPref:5DamPref

栃木県日光市湯西川

2026-06-13T15:50:00.000Z0.77{"type":"Point","coordinates":[139.549722,36.955]}日光土木事務所40.77三河沢ダム5三河沢川利根川878.25213.3 urn:ngsi-v2:DamPref:6DamPref

栃木県日光市中宮祠

2026-06-13T15:50:00.000Z4.6{"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1271.740 urn:ngsi-v2:DamPref:7DamPref

栃木県足利市松田町

2026-06-13T15:50:00.000Z0.04{"type":"Point","coordinates":[139.425,36.426389]}安足土木事務所100.04松田川ダム7松田川利根川238.481098.5