<ARTICLE> 5 
       
                             
<PERIOD-TYPE>                   3-MOS                      6-MOS
<FISCAL-YEAR-END>                        DEC-31-1996                DEC-31-1996 
<PERIOD-START>                           APR-01-1996                JAN-01-1996
<PERIOD-END>                             JUN-30-1996                JUN-30-1996
<CASH>                                     2,790,901                  2,790,901
<SECURITIES>                                       0                          0
<RECEIVABLES>                              8,015,577                  8,015,577
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<PP&E>                                    33,358,820                 33,358,820
<DEPRECIATION>                             8,798,872                  8,798,872
<TOTAL-ASSETS>                            39,135,828                 39,135,828
<CURRENT-LIABILITIES>                      6,884,054                  6,884,054
<BONDS>                                      167,473                    167,473
<COMMON>                                      45,480                     45,480
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<PREFERRED>                                        0                          0
<OTHER-SE>                                30,490,796                 30,490,796
<TOTAL-LIABILITY-AND-EQUITY>              39,135,828                 39,135,828
<SALES>                                   11,067,340                 21,610,767
<TOTAL-REVENUES>                          11,067,340                 21,610,767
<CGS>                                      4,929,805                  9,694,516
<TOTAL-COSTS>                              4,929,805                  9,694,516
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<LOSS-PROVISION>                                   0                          0
<INTEREST-EXPENSE>                            14,529                    (2,173)
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<INCOME-TAX>                                 537,012                  1,112,773
<INCOME-CONTINUING>                          876,179                  1,815,581
<DISCONTINUED>                                     0                          0
<EXTRAORDINARY>                                    0                          0
<CHANGES>                                          0                          0
<NET-INCOME>                                 876,179                  1,815,581
<EPS-PRIMARY>                                    .20                        .41
<EPS-DILUTED>                                    .20                        .41