Halifax Media Group, has reached an agreement to sell three publications in California to a group of investors there. Halifax Media acquired the Santa Rosa Press Democrat, The Petaluma Argus-Courier and North Bay Business Journal in January from The New York Times Co., as part of a deal that included 16 publications, mostly in the Southeast. The company has agreed to sell the Press Democrat and the two affiliated publications to Sonoma Media Investments, LLC. Terms of the deal, which is expected to close in early November, weren't disclosed.