<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2000 AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                          12,984
<SECURITIES>                                         0
<RECEIVABLES>                                    5,131
<ALLOWANCES>                                      (13)
<INVENTORY>                                          0
<CURRENT-ASSETS>                                18,231
<PP&E>                                         237,347
<DEPRECIATION>                               (163,073)
<TOTAL-ASSETS>                                 106,150
<CURRENT-LIABILITIES>                           12,915
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            87
<OTHER-SE>                                      43,672
<TOTAL-LIABILITY-AND-EQUITY>                   106,150
<SALES>                                          7,145
<TOTAL-REVENUES>                                 7,742
<CGS>                                                0
<TOTAL-COSTS>                                    4,348
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,026
<INCOME-PRETAX>                                  2,561
<INCOME-TAX>                                     1,051
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,510
<EPS-BASIC>                                       0.17
<EPS-DILUTED>                                     0.17