<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
STATEMENTS OF OPERATIONS AND CONSOLIDATED BALANCE SHEETS AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               DEC-31-1995
<CASH>                                       6,974,000
<SECURITIES>                                         0
<RECEIVABLES>                                3,797,000
<ALLOWANCES>                                         0
<INVENTORY>                                    390,000
<CURRENT-ASSETS>                            13,588,000
<PP&E>                                      89,099,000
<DEPRECIATION>                            (55,266,000)
<TOTAL-ASSETS>                              47,693,000
<CURRENT-LIABILITIES>                        8,795,000
<BONDS>                                      5,739,000
<COMMON>                                     5,239,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                  27,156,000
<TOTAL-LIABILITY-AND-EQUITY>                47,693,000
<SALES>                                     19,204,000
<TOTAL-REVENUES>                            19,883,000
<CGS>                                        7,274,000
<TOTAL-COSTS>                                7,274,000
<OTHER-EXPENSES>                             (538,000)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             548,000
<INCOME-PRETAX>                             12,599,000
<INCOME-TAX>                               (1,042,000)
<INCOME-CONTINUING>                         13,641,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                13,641,000
<EPS-PRIMARY>                                     2.61
<EPS-DILUTED>                                     2.41