| Colonial California Insured Municipal Fund operates as a nondiversified, closed-end management investment company. The fund invests in various sectors, including education, health care, housing, and transportation. In addition, it also invests in debt obligations issued by the state of California and its respective political subdivisions, agencies, and public authorities. Columbia Management Advisors, Inc. operates as the investment advisor to the fund. Colonial California Insured Municipal Fund is based in Boston, Massachusetts. |
