id	keyword
american_scientific_journal-1507	clay
american_scientific_journal-1507	harvesting
american_scientific_journal-1507	water
american_scientific_journal-1507	respondents
american_scientific_journal-1507	research
american_scientific_journal-1507	abonko
american_scientific_journal-1507	land
american_scientific_journal-1507	journal
american_scientific_journal-1507	mining
american_scientific_journal-1507	ghana
american_scientific_journal-1507	sciences
american_scientific_journal-1507	scientific
american_scientific_journal-1507	american