<TABLE> <S> <C>


<ARTICLE>    5
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                           <C>           <C>           <C>           <C>           <C>           
<PERIOD-TYPE>                 YEAR          9-MOS         YEAR          3-MOS         6-MOS         
<FISCAL-YEAR-END>             DEC-31-1996   DEC-31-1996   DEC-31-1995   DEC-31-1996   DEC-31-1996   
<PERIOD-START>                JAN-01-1996   JAN-01-1996   JAN-01-1995   JAN-01-1996   JAN-01-1996       
<PERIOD-END>                  DEC-31-1996   SEP-30-1996   DEC-31-1995   MAR-31-1996   JUN-30-1996   
<CASH>                        10,629        8,643         31,685        10,629        10,629                 
<SECURITIES>                  0             0             0             0             0                           
<RECEIVABLES>                 22,624        20,947        15,523        22,624        22,624                 
<ALLOWANCES>                  2,500         2,294         2,043         2,500         2,500                   
<INVENTORY>                   5,182         5,271         4,379         5,182         5,182                   
<CURRENT-ASSETS>              38,531        34,387        51,165        38,531        38,531                 
<PP&E>                        243,723       231,595       208,942       243,723       243,723               
<DEPRECIATION>                113,282       108,341       97,141        113,282       113,282               
<TOTAL-ASSETS>                176,746       164,713       165,751       176,746       176,746               
<CURRENT-LIABILITIES>         27,214        28,784        25,162        27,214        27,214                 
<BONDS>                       0             0             0             0             0                           
<PREFERRED-MANDATORY>         0             0             0             0             0                           
<PREFERRED>                   0             0             0             0             0                           
<COMMON>                      181           141           137           181           181                       
<OTHER-SE>                    92,837        24,017        6,319         92,837        92,837                
<TOTAL-LIABILITY-AND-EQUITY>  176,746       164,713       165,751       176,746       176,746               
<SALES>                       19,936        14,638        16,124        4,495         9,146                  
<TOTAL-REVENUES>              124,638       85,050        95,328        25,165        49,260                
<CGS>                         12,350        8,553         9,961         2,581         5,206                  
<TOTAL-COSTS>                 59,473        40,079        44,369        11,596        23,335                 
<OTHER-EXPENSES>              0             0             0             0             0                           
<LOSS-PROVISION>              404           286           351           80            178                       
<INTEREST-EXPENSE>            8,182         6,227         7,213         1,587         3,671                   
<INCOME-PRETAX>               16,807        10,110        6,938         1,411         3,023                  
<INCOME-TAX>                  3,536         2,012         1,375         215           596                     
<INCOME-CONTINUING>           13,271        8,098         5,563         1,196         2,427                  
<DISCONTINUED>                0             0             0             0             0                           
<EXTRAORDINARY>               0             0             0             0             0                           
<CHANGES>                     0             0             0             0             0                           
<NET-INCOME>                  13,271        8,098         5,563         1,196         2,427                  
<EPS-PRIMARY>                 .94           .57           .41           .08           .17                      
<EPS-DILUTED>                 .84           .53           .36           .08           .16                      
        


</TABLE>