The Buckeye Beer Engine in Lakewood has announced it will hold its sixth annual 420 Hopfest from April 19-22. Organizers promise that the four-day event will feature plenty of drafts, and cask conditioned beer served from the brewpub's two beer engines. A small sampling of the beers include: Founders Double Trouble, Bell's Hopslam, Brooklyn Blast, Avery Maharaja, Victory Hop Wallop, Sierra Nevada Ruthless Rye, Heavy Seas Black Cannon and Epic Hopulent on nitro. The brewer from Boulder Beer Co. is planning to attend on April 19, and there will be a Sunday morning brunch featuring Dogfish Head on April 22. More details are expected to come later.