SHEBOYGAN, Wis.(WHBL) - A Sheboygan man with a flourishing marijuana business is now facing 23 years in prison.  29 year old Adam Westenberger was arrested yesterday as officers executed a search warrant at his home on Jefferson Avenue.  Westenberger is facing 7 drug-related charges.  Authorities said he told investigators he was getting the marijuana shipped in from California by mail and paying about four-thousand dollars a pound while selling it in Sheboygan for about $5000 a pound.  Westenberger said he's been in business for about 9 years.  Authorities said he estimated that he sold about 40 pounds last year earning twenty-five to thirty thousand dollars.  During the search, officers seized marijuana, five thousand dollars in cash and Westenberger’s Dodge Avenger.