id	keyword
american_scientific_journal-1041	cpt
american_scientific_journal-1041	test
american_scientific_journal-1041	seabed
american_scientific_journal-1041	method
american_scientific_journal-1041	results
american_scientific_journal-1041	determination
american_scientific_journal-1041	drilling
american_scientific_journal-1041	cone
american_scientific_journal-1041	situ