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Cachoeira Grande
Cachoeira
Grande
is a
municipality
in the
state
of
Maranhão
in the
Northeast region
of
Brazil
.
The municipality
lies
in the
Munim River
basin
.
The municipality
contains
part of the
Upaon-Açu/Miritiba/Alto Preguiças Environmental Protection Area
, created in
1992
.