
<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
statement of income and balance sheet and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                           1,744
<SECURITIES>                                         0
<RECEIVABLES>                                    6,260
<ALLOWANCES>                                         7
<INVENTORY>                                         76
<CURRENT-ASSETS>                                 8,669
<PP&E>                                          96,612
<DEPRECIATION>                                  35,581
<TOTAL-ASSETS>                                  70,698
<CURRENT-LIABILITIES>                            4,800
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           481
<OTHER-SE>                                      33,505
<TOTAL-LIABILITY-AND-EQUITY>                    70,698
<SALES>                                         21,226
<TOTAL-REVENUES>                                23,065
<CGS>                                            7,713
<TOTAL-COSTS>                                    4,884
<OTHER-EXPENSES>                                 1,653
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 755
<INCOME-PRETAX>                                  4,430
<INCOME-TAX>                                     1,759
<INCOME-CONTINUING>                              2,671
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,671
<EPS-PRIMARY>                                     0.54
<EPS-DILUTED>                                     0.54
        


</TABLE>
