Proctor compaction test

https://www.wikidata.org/wiki/Q2111713

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Biology 36M papers	Engineering 25M papers	Materials science 18.5M papers	Geology 10.4M papers
Environmental science 8.8M papers	Composite material 8.7M papers	Ecology 8.1M papers	Geotechnical engineering 2.2M papers
Geomorphology 976k papers		Soil science 806k papers
Current
Proctor compaction test 1,798 papers
Child
SPECIFIC GRAVITY TEST 0 papers

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History