Exhibit 23(o)



            KNOW ALL MEN BY THESE PRESENTS,  that the undersigned  constitutes
and  appoints  Robert  G.  Zack and  Katherine  P.  Feld  his true and  lawful
attorneys-in-fact   and  agents,   and  each  of  them,  with  full  power  of
substitution  and  resubstitution,  for him in his  capacity  as an Officer of
Centennial  America  Fund,  L.P.,  Centennial  California  Tax  Exempt  Trust,
Centennial  Government  Trust,  Centennial Money Market Trust,  Centennial New
York Tax Exempt Trust and Centennial  Tax Exempt Trust (the "Funds"),  to sign
on  his   behalf  any  and  all   Registration   Statements   (including   any
post-effective  amendments to  Registration  Statements)  under the Securities
Act of  1933,  the  Investment  Company  Act of 1940  and any  amendments  and
supplements  thereto,  and other  documents in connection  thereunder,  and to
file the same,  with all exhibits  thereto,  and other documents in connection
therewith,  with the  Securities and Exchange  Commission,  granting unto said
attorneys-in-fact  and agents,  and each of them,  full power and authority to
do and perform  each and every act and thing  requisite  and  necessary  to be
done in and about the premises,  as fully as to all intents and purposes as he
might or could do in person,  hereby  ratifying and  confirming  all that said
attorneys-in-fact  and agents,  and each of them,  may lawfully do or cause to
be done by virtue hereof.

Dated:      October 23, 2001




/s/ John Murphy
----------------
John Murphy




Centennial/150/01/Exhibit23(o).doc