<ARTICLE> 5 <LEGEND> ART. 5 FDS FOR PERIOD ENDING MARCH 31, 1997 10-Q This schedule contains summary financial information extracted from the March 31, 1997 Form 10-Q, and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> MAR-31-1997 <CASH> 966 <SECURITIES> 0 <RECEIVABLES> 6,133 <ALLOWANCES> 0 <INVENTORY> 2,453 <CURRENT-ASSETS> 10,513 <PP&E> 50,814 <DEPRECIATION> 25,407 <TOTAL-ASSETS> 44,026 <CURRENT-LIABILITIES> 12,910 <BONDS> 4,386 <PREFERRED-MANDATORY> 0 <PREFERRED> 678 <COMMON> 893 <OTHER-SE> 17,559 <TOTAL-LIABILITY-AND-EQUITY> 44,026 <SALES> 15,935 <F1> <TOTAL-REVENUES> 16,186 <F1> <CGS> 10,468 <TOTAL-COSTS> 11,111 <OTHER-EXPENSES> 2,481 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 98 <INCOME-PRETAX> 1,690 <INCOME-TAX> 864 <INCOME-CONTINUING> 826 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 826 <EPS-PRIMARY> 2.04 <EPS-DILUTED> 2.01 <FN> <F1> SALES AND TOTAL REVENUES INCLUDE $1,422 MILLION OF EXCISE AND STATE GASOLINE TAXES </FN>