id	keyword
american_scientific_journal-4863	route
american_scientific_journal-4863	cost
american_scientific_journal-4863	criteria
american_scientific_journal-4863	economy
american_scientific_journal-4863	environmental
american_scientific_journal-4863	research
american_scientific_journal-4863	road
american_scientific_journal-4863	engineering
american_scientific_journal-4863	gis
american_scientific_journal-4863	crossing
american_scientific_journal-4863	stream
american_scientific_journal-4863	figure
american_scientific_journal-4863	dunes
american_scientific_journal-4863	evaluation
american_scientific_journal-4863	decision
american_scientific_journal-4863	sand