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Río Blanco (Argentina)
The
Río
Blanco
is a
river
of
Argentina
that
rises
high in the
mountains
west
of
San José de Jáchal
in the
northern
part of the
province
of
San Juan
. It is a
tributary
of the
Jáchal River
which
empties
into the
Desaguadero River
basin
.