id	keyword
american_scientific_journal-6460	soil
american_scientific_journal-6460	water
american_scientific_journal-6460	content
american_scientific_journal-6460	landfill
american_scientific_journal-6460	shear
american_scientific_journal-6460	analysis
american_scientific_journal-6460	stability
american_scientific_journal-6460	journal
american_scientific_journal-6460	figure