JACKUP RIG FOR ARGENTINA—Levingston Shipbuilding Company recently delivered the offshore drilling rig Rio Colorado I to Bridas S.A.P.I.C. of Buenos Aires. This is the first of the Class 111-C jackups to be built at the Orange, Texas, yard. It will be followed by one for Dixilyn-Field, two for Noble Drilling, and one for Compania Perforadora Mexico, S.A.