For the next few days the Risley will
work Western Lake Erie and the lower Detroit River. A particularly
troublesome spot for winter shipping is the Livingstone Channel in the
lower river. Completed in 1912, the Livingstone Channel is
a narrow deep draft shipping channel that was built using explosives to
blast away the solid limestone rock. Its size, current and location can
caused the channel to fill will ice, halting shipping. Normally used by
downbound traffic only, in the winter it is open to both up and
downbound traffic and the only channel open for navigation.
from atop the pilothouse. This
pictures illustrates how effective the Risley's square stern is for
breaking a track and leaving open water. An icebreaker with a raked
stern allows the ice to fall in behind the vessel.