Front:
Photo by Frank H. Nowell,
CANAL LOCKS SECOND TO PANAMA, SEATTLE, U.S.A.
62961
Back:
3139 PUBLISHED BY C. P. JOHNSTON CO., SEATTLE, U.S.A.
CANAL LOCKS SECOND TO PANAMA.
The Canal is about eight miles long from Puget Sound to
Lake Washington. It adds more than ninety miles to Seattle's
water frontage and givés access for ocean shipping to the
non-tidal fresh water harbors of Lake Union, in the heart of
the City, and Lake Washington, twenty-five miles long and
four wide, on the east boundary of Seattle. The right-of-way
is 300 feet wide, the channel 100 feet wide, and the depth 36
feet. The locks are capable of lifting larger vessels than any
government locks outside the Panama Canal. They are at
the Puget Sound entrance of the canal and form the only
barrier between the fresh water lakes. nine feet above Puget
Sound at high tide, and salt water. The concrete walls are
55 feet high, 50 feet wide at the base, and 8 feet at the top.
The major chamber is 825 feet long. 80 feet wide, and holds a
depth of 50 feet of water. The minor chamber is 150 feet long
and 30 feet wide. Ocean-going craft go through the larger
chamber in twenty minutes and small craft through the
smaller chamber in five to ten minutes. The total cost of the
canal. including right-of-way, excavation, locks and other
features, was $5,000,000 borne by the government, state.
county and city. Opening of the Lake Washington Canal at
Seattle Wednesday, July Fourth, Nineteen Hundred Seventeen.
AMERICAN ART COLORED
CE
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