<ARTICLE>5
<LEGEND>
This Schedule contains summary financial information extracted
from the registrant's Balance Sheet as of December 31, 1997 and
Income Statement for the twelve months ended December 31, 1997 and
is qualified in its entirety by reference to such financial
statements.
</LEGEND>
<MULTIPLIER>1
<PERIOD-TYPE>                                              12-MOS
<FISCAL-YEAR-END>                                     DEC-31-1997
<PERIOD-END>                                          DEC-31-1997
<CASH>                                                  2,123,000
<SECURITIES>                                                    0
<RECEIVABLES>                                           3,236,000
<ALLOWANCES>                                                    0
<INVENTORY>                                                     0
<CURRENT-ASSETS> <F1>                                           0
<PP&E>                                                699,797,000
<DEPRECIATION>                                        152,206,000
<TOTAL-ASSETS>                                        577,021,000
<CURRENT-LIABILITIES> <F1>                                      0
<BONDS>                                               134,319,000
<COMMON>                                               25,698,000
<PREFERRED-MANDATORY>                                           0
<PREFERRED>                                                     0
<OTHER-SE>                                            407,617,000
<TOTAL-LIABILITY-AND-EQUITY>                          577,021,000
<SALES>                                                         0
<TOTAL-REVENUES>                                       67,897,000
<CGS>                                                           0
<TOTAL-COSTS>                                                   0
<OTHER-EXPENSES>                                       25,818,000
<LOSS-PROVISION>                                          165,000
<INTEREST-EXPENSE>                                      8,226,000
<INCOME-PRETAX>                                        34,770,000
<INCOME-TAX>                                                    0
<INCOME-CONTINUING>                                    34,770,000
<DISCONTINUED>                                                  0
<EXTRAORDINARY>                                                 0
<CHANGES>                                                       0
<NET-INCOME>                                           34,770,000
<EPS-PRIMARY>                                                1.48
<EPS-DILUTED>                                                1.48

<FN>   Current assets and current liabilities are not applicable to
       the Company under current industry standards.

 /FN



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