id	keyword
catalyst-36623	environmental
catalyst-36623	contamination
catalyst-36623	california
catalyst-36623	land
catalyst-36623	valley
catalyst-36623	press
catalyst-36623	university
catalyst-36623	river
catalyst-36623	water
catalyst-36623	oil
catalyst-36623	white
catalyst-36623	settler
catalyst-36623	work
catalyst-36623	justice
catalyst-36623	san
catalyst-36623	tule
catalyst-36623	joaquin
catalyst-36623	kern
catalyst-36623	air
catalyst-36623	new
catalyst-36623	colonial
catalyst-36623	history
catalyst-36623	time
catalyst-36623	chemical
catalyst-36623	health
catalyst-36623	race
catalyst-36623	tribe