<ARTICLE> 5

                                                 
<PERIOD-TYPE>                      YEAR                YEAR
<FISCAL-YEAR-END>                         DEC-31-1998        DEC-31-1997
<PERIOD-START>                            JAN-01-1998        JAN-01-1997
<PERIOD-END>                              DEC-31-1998        DEC-31-1997
<CASH>                                      2,742,000            544,000
<SECURITIES>                                        0                  0
<RECEIVABLES>                               4,972,000          2,818,000
<ALLOWANCES>                                        0                  0
<INVENTORY>                                         0                  0
<CURRENT-ASSETS>                            8,489,000          3,666,000
<PP&E>                                     32,921,000         28,870,000
<DEPRECIATION>                             18,891,000         16,863,000
<TOTAL-ASSETS>                             22,840,000         16,054,000
<CURRENT-LIABILITIES>                       7,677,000          2,175,000
<BONDS>                                             0                  0
<PREFERRED-MANDATORY>                               0                  0
<PREFERRED>                                         0                  0
<COMMON>                                            0                  0
<OTHER-SE>                                  9,313,000          9,591,000
<TOTAL-LIABILITY-AND-EQUITY>               22,840,000         16,054,000
<SALES>                                    21,092,000         16,539,000
<TOTAL-REVENUES>                           21,092,000         16,539,000
<CGS>                                      16,815,000         11,829,000
<TOTAL-COSTS>                              22,970,000         15,445,000
<OTHER-EXPENSES>                                    0                  0
<LOSS-PROVISION>                                    0                  0
<INTEREST-EXPENSE>                            238,000             83,000
<INCOME-PRETAX>                                     0                  0
<INCOME-TAX>                                (175,000)            279,000
<INCOME-CONTINUING>                       (1,941,000)            732,000
<DISCONTINUED>                                      0                  0
<EXTRAORDINARY>                                     0                  0
<CHANGES>                                           0                  0
<NET-INCOME>                              (1,941,000)            732,000
<EPS-BASIC>                                         0                  0
<EPS-DILUTED>                                       0                  0