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Valle Nacional River
The
Valle Nacional
River
is a
river
of
Oaxaca state
in
Mexico
.
The river
originates in the
Sierra Juárez, Oaxaca
.
The ecology of the
region
, originally one of
pine forests
, is
threatened
by
logging
,
agriculture
and
grazing
.
The Valle
Nacional
flows past
San Juan Bautista Valle Nacional
, and
joins
the
Santo Domingo River
to the
southwest
of
San Juan Bautista Tuxtepec
to form the
Papaloapan River
.
