<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> DEC-31-1999 <CASH> 7,155,827 <SECURITIES> 30,719,358 <RECEIVABLES> 4,918,089 <ALLOWANCES> 0 <INVENTORY> 4,089,605 <CURRENT-ASSETS> 16,707,256 <PP&E> 108,955,370 <DEPRECIATION> 34,406,816 <TOTAL-ASSETS> 133,050,582 <CURRENT-LIABILITIES> 11,034,718 <BONDS> 31,688,737 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4,734,377 <OTHER-SE> 65,540,582 <TOTAL-LIABILITY-AND-EQUITY> 133,050,582 <SALES> 42,238,800 <TOTAL-REVENUES> 42,238,800 <CGS> 1,978,494 <TOTAL-COSTS> 29,697,817 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,933 <INCOME-PRETAX> 10,224,980 <INCOME-TAX> 3,796,981 <INCOME-CONTINUING> 6,082,444 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,427,999 <EPS-BASIC> 1.71 <EPS-DILUTED> 1.71