<ARTICLE> 5
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
                                                  
<PERIOD-TYPE>                   YEAR                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1997
<PERIOD-START>                             JAN-01-1996             JAN-01-1997
<PERIOD-END>                               DEC-31-1996             MAR-31-1997
<EXCHANGE-RATE>                                      1                       1
<CASH>                                       1,803,438                 578,034
<SECURITIES>                                         0                       0
<RECEIVABLES>                                9,852,071               9,607,079
<ALLOWANCES>                                 (616,000)               (659,000)
<INVENTORY>                                  1,973,810               1,124,680
<CURRENT-ASSETS>                            13,427,852              11,136,422
<PP&E>                                      86,209,518              90,851,483
<DEPRECIATION>                              46,367,589              47,682,009
<TOTAL-ASSETS>                              59,067,875              60,660,699
<CURRENT-LIABILITIES>                       11,826,965               9,722,190
<BONDS>                                     33,070,228              34,853,139
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        91,989                  91,989
<OTHER-SE>                                  14,078,693              15,993,381
<TOTAL-LIABILITY-AND-EQUITY>                59,067,875              60,660,699
<SALES>                                     94,052,054              24,392,963
<TOTAL-REVENUES>                            94,052,054              24,392,963
<CGS>                                       60,502,673              15,106,684
<TOTAL-COSTS>                               85,302,782              22,013,851
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                           2,395,281                 609,763
<INCOME-PRETAX>                              7,048,886               1,920,670
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                          7,048,886               1,920,670
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 7,048,886               1,920,670
<EPS-PRIMARY>                                        0                       0
<EPS-DILUTED>                                        0                       0