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Ninemile Island (Pennsylvania)
Ninemile
Island
is an
alluvial island
in the
Allegheny River
in
the city
of
Penn Hills, Pennsylvania
. It
lies
southeast
of, and
parallel
to the larger
Sycamore Island
, which lies in the
borough
of
Blawnox
,
Allegheny County
in the U.S. state of
Pennsylvania
.
