BLACKROCK MUNICIPAL INCOME INVESTMENT TRUST

Filing Type: N-CSR
Filing Date: 20111006

Documents

i00415_bbf-ncsr.htm
N-CSR
i00415_ex99-cert.htm
EX-99.CERT
i00415_ex99-906cert.htm
EX-99.906CERT
ex99-proxypol.htm
EX-99.PROXYPOL