OIL SPILL: Rock slide releases 4,200 gallons of crude into Ky. waters Published: Friday, April 4, 2014 An estimated 4,200 gallons of crude oil spilled into Kentucky waters before the spill was stopped yesterday, officials say. Please subscribe to Greenwire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.