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Tonto River
The
Tonto
River
is a
river
of
Oaxaca, Mexico
that flows from the
mountains
of
Zongolica
. It is dammed by the
Miguel Alemán Dam
near
the town
of
Temascal or Nuevo Soyaltepec
,
forming
the
Miguel Alemán Lake
.
Below the dam,
the river
flows
southeast
past
San Juan Bautista Tuxtepec
, where it
joins
the
Santo Domingo River
to form the
Papaloapan River
.