<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
references to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             APR-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                           2,974
<SECURITIES>                                         0
<RECEIVABLES>                                    4,885
<ALLOWANCES>                                         7
<INVENTORY>                                         69
<CURRENT-ASSETS>                                 8,128
<PP&E>                                          88,361
<DEPRECIATION>                                  33,637
<TOTAL-ASSETS>                                  63,890
<CURRENT-LIABILITIES>                            4,597
<BONDS>                                         15,857
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           478
<OTHER-SE>                                      32,237
<TOTAL-LIABILITY-AND-EQUITY>                    63,890
<SALES>                                         10,842
<TOTAL-REVENUES>                                11,761
<CGS>                                            4,083
<TOTAL-COSTS>                                    2,217
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 575
<INCOME-PRETAX>                                  3,450
<INCOME-TAX>                                     1,209
<INCOME-CONTINUING>                              2,241
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,241
<EPS-PRIMARY>                                      .45
<EPS-DILUTED>                                      .45