http://qui.live.mediaspanonlinen.com/rss/ Quincy Herald Whig en-us By THE HERALD-WHIG STAFF CLARKSVILLE, Mo. -- Holcim, a supplier of cement and minerals, announced plans today to close plants in the U.S. and Spain, including the Holcim cement plant in Clarksville. The Clarksville plant closing, which is expected to be in the first quarter of 2009, will put 181 people out of work. The Holcim cement plant is on Mo. 79 between Clarksville and Louisiana. http://qui.live.mediaspanonline.com/new_story/Holcim-closure-WED