<ARTICLE>                     5
       
                                                                           
<PERIOD-TYPE>                           3-MOS           3-MOS          3-MOS           3-MOS
<FISCAL-YEAR-END>                      DEC-31-1997     DEC-31-1997    DEC-31-1997     DEC-31-1997
<PERIOD-START>                         JAN-01-1997     APR-01-1997    JUL-01-1997     OCT-01-1997
<PERIOD-END>                           MAR-31-1997     JUN-30-1997    SEP-30-1997     DEC-31-1997
<CASH>                                     911,262       1,489,404      3,110,970       1,175,557
<SECURITIES>                                     0               0              0               0
<RECEIVABLES>                           10,992,354      13,273,365     16,019,576      14,797,371
<ALLOWANCES>                               711,754         725,806        874,117         907,800
<INVENTORY>                              1,124,984       1,470,032      1,255,800         842,439
<CURRENT-ASSETS>                        12,674,197      16,870,556     20,638,527      17,121,152
<PP&E>                                  46,657,258      52,111,105     56,840,169      65,043,853
<DEPRECIATION>                           2,516,826       2,727,424      3,037,367       3,515,190
<TOTAL-ASSETS>                          64,534,360      86,678,901    103,365,845     113,417,495
<CURRENT-LIABILITIES>                   12,475,562      14,435,424     17,175,012      15,486,056
<BONDS>                                 35,234,817      34,916,785     42,669,357      50,787,684
<PREFERRED-MANDATORY>                            0               0              0               0
<PREFERRED>                                      0               0              0               0
<COMMON>                                 2,686,637      27,119,623     27,119,623      27,119,623
<OTHER-SE>                              13,893,484       4,841,872     11,028,165      14,047,132
<TOTAL-LIABILITY-AND-EQUITY>            64,534,360      86,678,901    103,365,845     113,417,495
<SALES>                                 27,428,453      31,018,602     34,956,501      35,778,413
<TOTAL-REVENUES>                        27,428,453      31,018,602     34,956,501      35,778,413
<CGS>                                   16,736,286      19,171,322     21,606,892      21,972,061
<TOTAL-COSTS>                           24,638,078      27,650,952     31,118,706      32,439,967
<OTHER-EXPENSES>                                 0               0              0               0
<LOSS-PROVISION>                                 0               0              0               0
<INTEREST-EXPENSE>                         652,175         821,413        665,367         882,541
<INCOME-PRETAX>                          2,272,547       2,630,048      3,331,415       2,712,777
<INCOME-TAX>                                     0       4,886,250      1,090,000       1,035,000
<INCOME-CONTINUING>                      2,272,547      (2,256,202)     2,241,415       1,677,777
<DISCONTINUED>                                   0               0              0               0
<EXTRAORDINARY>                                  0               0              0               0
<CHANGES>                                        0               0              0               0
<NET-INCOME>                             2,272,547      (2,256,202)     2,241,415       1,677,777
<EPS-PRIMARY>                                 0.13            0.15           0.16            0.13
<EPS-DILUTED>                                 0.13            0.14           0.16            0.13