<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