WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000920058
<NAME> SMITH BARNEY OREGON MUNICIPAL FUND - CLASS B

<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          APR-30-2000
<PERIOD-END>                               APR-30-2000
<INVESTMENTS-AT-COST>                       34,460,213
<INVESTMENTS-AT-VALUE>                      34,159,188
<RECEIVABLES>                                  607,164
<ASSETS-OTHER>                                       0
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<TOTAL-ASSETS>                              34,766,352
<PAYABLE-FOR-SECURITIES>                             0
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<OTHER-ITEMS-LIABILITIES>                    1,298,580
<TOTAL-LIABILITIES>                          1,298,580
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                    34,531,533
<SHARES-COMMON-STOCK>                        1,619,625
<SHARES-COMMON-PRIOR>                        1,827,551
<ACCUMULATED-NII-CURRENT>                       44,807
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (807,543)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                     (301,025)
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<DIVIDEND-INCOME>                                    0
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<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 412,260
<NET-INVESTMENT-INCOME>                      1,703,356
<REALIZED-GAINS-CURRENT>                     (853,563)
<APPREC-INCREASE-CURRENT>                  (2,199,027)
<NET-CHANGE-FROM-OPS>                      (1,349,234)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      781,575
<DISTRIBUTIONS-OF-GAINS>                        26,667
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        195,654
<NUMBER-OF-SHARES-REDEEMED>                    451,127
<SHARES-REINVESTED>                             47,547
<NET-CHANGE-IN-ASSETS>                     (5,516,235)
<ACCUMULATED-NII-PRIOR>                          1,019
<ACCUMULATED-GAINS-PRIOR>                       54,215
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
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<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                466,433
<AVERAGE-NET-ASSETS>                        17,869,581
<PER-SHARE-NAV-BEGIN>                            10.85
<PER-SHARE-NII>                                   0.46
<PER-SHARE-GAIN-APPREC>                         (0.84)
<PER-SHARE-DIVIDEND>                              0.45
<PER-SHARE-DISTRIBUTIONS>                         0.02
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              10.00
<EXPENSE-RATIO>                                   1.35


</TABLE>