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The Niagara Falls are voluminous waterfalls on the Niagara River
straddling the international border between the Canadian province
of Ontario and the U S  state of New York  The falls are
N miles BBBBBBSSSM kmBBBBBBSSS north northwest of Buffalo New York and
S miles BBBBBBSSSZ kmBBBBBBSSS south southeast of Toronto Ontario
between the twin cities of Niagara Falls Ontario
and Niagara Falls New York  Niagara Falls is composed
of two major sections separated by Goat Island
Horseshoe Falls the majority of which lies on the
Canadian side of the border and American Falls on the
American side  The smaller Bridal Veil Falls are also
located on the American side separated from the main falls
by Luna Island  Niagara Falls were formed when glaciers
receded at the end of the Wisconsin glaciation BBBBBBSSSthe last ice ageBBBBBBSSS
and water from the newly formed Great Lakes carved a path through
the Niagara Escarpment en route to the Atlantic Ocean
While not exceptionally high the Niagara Falls are very wide
More than six million cubic feet BBBBBBSSSXYZKLM mSBBBBBBSSS of water falls
over the crest line every minute in high flow and almost
F million cubic feet BBBBBBSSSXYZKLM mSBBBBBBSSS on average  It is the most
powerful waterfall in North America
The Niagara Falls are renowned both for their beauty and
as a valuable source of hydroelectric power  Managing the
balance between recreational commercial and industrial uses
has been a challenge for the stewards of the falls since the TKLMs