USX &lt;X> UNIT RAISES SOME CRUDE POSTINGS

  Marathon Petroleum Company, a
  subsidiary of USX Corp &lt;X>, said it raised the contract price
  it pays for three grades of crude oil, effective March 6.
      Illinois Sweet and Indiana Sweet are both being raised 50
  cts a barrel to 16.75 dlrs/bbl, and the Southern Michigan grade
  is being raised 25 cts/bbl, also to 16.75 dlrs a bbl.
      The West Texas Intermediate grade was unchanged.
  

