SOUTHLAND <SLC> UNIT RAISES CRUDE 50 CTS/BBL Southland Corp's subsidiary Citgo Petroleum said it raised its posted prices for crude oil across the board by 50 cts a barrel, effective June 17. Citgo said its new posting for West Texas Intermediate and West Texas Sour is 19 dlrs a barrel. Light Louisiana Sweet is now posted at 19.35, the company said.