CHESAPEAKE &lt;CSK> SEEKS TO SELL UNIT
  Chesapeake Corp said it has
  retained Salomon Inc &lt;SB> to help it sell Plainwell Paper Co
  Inc, a maker of premium coated and uncoated printing papers and
  technical specialty papers with a capacity of 85,000 short tons
  a year.
      The company said it has decided to sell Plainwell in ordfer
  to focus on the production of kraft and tissue products,
  containers and treated wood products.
  

