Watertable control

https://www.wikidata.org/wiki/Q12208418

Field Hierarchy

Parent
Biology 34.8M papers	Engineering 23.9M papers	Geology 9.1M papers	Ecology 7.8M papers
Environmental science 7.7M papers	Oceanography 2.4M papers	Geotechnical engineering 2M papers	Soil science 768k papers
Soil water 750k papers		Groundwater 239k papers
Current
Watertable control 747 papers
Child

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History