<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> MAR-31-1996 <CASH> 6,321 <SECURITIES> 0 <RECEIVABLES> 7,731 <ALLOWANCES> 1,030 <INVENTORY> 784 <CURRENT-ASSETS> 14,609 <PP&E> 252,385 <DEPRECIATION> 192,941 <TOTAL-ASSETS> 164,479 <CURRENT-LIABILITIES> 29,463 <BONDS> 0 <COMMON> 17,402 <PREFERRED-MANDATORY> 0 <PREFERRED> 575 <OTHER-SE> (55,627) <TOTAL-LIABILITY-AND-EQUITY> 164,479 <SALES> 16,360 <TOTAL-REVENUES> 16,360 <CGS> 13,485 <TOTAL-COSTS> 19,388 <OTHER-EXPENSES> (4,237) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 125 <INCOME-PRETAX> 1,084 <INCOME-TAX> 317 <INCOME-CONTINUING> 456 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 456 <EPS-PRIMARY> (.11) <EPS-DILUTED> (.11)