
<TABLE> <S> <C>

<ARTICLE>      5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE COMPANY'S FINANCIAL STATEMENTS FOR THE YEAR ENDED DECEMBER 31,
1996, 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-END>                      DEC-31-1996
<CASH>                                 22,023
<SECURITIES>                                0
<RECEIVABLES>                           5,667
<ALLOWANCES>                                0
<INVENTORY>                               110
<CURRENT-ASSETS>                       29,893
<PP&E>                                 94,484
<DEPRECIATION>                        (39,684)
<TOTAL-ASSETS>                         84,957
<CURRENT-LIABILITIES>                  10,715
<BONDS>                                     0
<PREFERRED-MANDATORY>                       0
<PREFERRED>                                 0
<COMMON>                                  108
<OTHER-SE>                             68,775
<TOTAL-LIABILITY-AND-EQUITY>           84,957
<SALES>                                18,182
<TOTAL-REVENUES>                       41,663
<CGS>                                   6,605
<TOTAL-COSTS>                          20,333
<OTHER-EXPENSES>                            0
<LOSS-PROVISION>                            0
<INTEREST-EXPENSE>                      2,254
<INCOME-PRETAX>                        21,330
<INCOME-TAX>                            5,760
<INCOME-CONTINUING>                    15,570
<DISCONTINUED>                              0
<EXTRAORDINARY>                             0
<CHANGES>                                   0
<NET-INCOME>                           15,570
<EPS-PRIMARY>                            1.45<F1>
<EPS-DILUTED>                            1.45<F1>
<FN>
<F1>  Per share
</FN>


</TABLE>
