Flood control

https://www.wikidata.org/wiki/Q1187968

Field Hierarchy

Parent
Philosophy 22.7M papers	Geography 13.4M papers	History 8.1M papers	Archaeology 7M papers
Theology 2.1M papers		Flood myth 135k papers
Current
Flood control 12.1k papers
Child
Flood regulation 0 papers

Trends

Notes

History