id	keyword
american_scientific_journal-6206	soil
american_scientific_journal-6206	vetiver
american_scientific_journal-6206	samples
american_scientific_journal-6206	bare
american_scientific_journal-6206	shear
american_scientific_journal-6206	strength
american_scientific_journal-6206	engineering
american_scientific_journal-6206	technology
american_scientific_journal-6206	erosion