Acts

Work authorized

Documents

Mar. 2, 1945

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Project modified to provide for remedial works in
vicinity of Cochrane, Wis., to correct seepage
damages due to pool No. 5, at an estimated cost
of $33,000, and for remedial works or land ac-
quisitions in any levee or drainage district, with
respect to which payments, remedial works, or
land acquisitions were recommended in Rivers
and Harbors Committee Doc. No. 34, 75th
Cong., 1st sess., and authorized by act of Aug.
26, 1937, as the Chief of Engineers deems advis-
able, in addition to or in lieu of the payments,
remedial works, or land acquisitions so recom-
mended and authorized.

Project modified to provide a basin at Red Wing,
Minn., at an estimated first cost of $11,500, with
annual maintenance of $300, in addition to the
amounts previously required.

Project modified to provide for enlargement of the
flood capacity of the main channel between
Smith Avenue Bridge and State Street in the
city of St. Paul; for the dredging of a small-boat
harbor at the lower end of Harriet Island; and
for placing of excavated material in such manner
as to provide fill for a roadway along left bank of
river between Market Street and Lambert
Landing, at an estimated first cost of $130,000
with no increase in annual maintenance.
Project modified to provide a basin at Winona,
Minn., at an estimated first cost of $17,000 with
annual maintenance of $600.

Secretary of War granted discretionary authority
to permit the future modification of the existing
lock and dam improvement No. 2, near Hast-
ings, Minn., for development of hydroelectric
power in accordance with the provisions of the
Federal Water Power Act, at no cost to the
United States.

H. Doc. No. 137, 76th Cong., 1st sess.

H. Doc. No. 103, 76th Cong., 1st sess.

H. Doc. No. 547, 76th Cong., 3d sess.

H. Doc. No. 263, 77th Cong., 1st sess.

H. Doc. No. 432, 77th Cong., 1st sess.

Project modified to provide for extension of the H. Doc. No. 449, 78th Cong., 2nd sess.
9-foot channel to vicinity of Soo Line railway
bridge above St. Anthony Falls, Minneapolis,
in general accordance with the plans described
and approved by the Board of Engineers for
Rivers and Harbors and the Chief of Engineers
in their reports of Feb. 8 and Feb. 26, 1938, re-
spectively, as subsequently modified by the
reports printed in S. Doc. No. 54, 77th Cong.,
1st sess., to provide for a vertical bridge clear-
ance of 26 feet above the estimated 40,000 cubic
feet per second stage, the railroad bridges and
other privately owned utility structures to be
modified at Federal expense at an estimated
first cost to the United States of $8,259,000 with
$55,000 annually for maintenance and operation
of the navigation works.

See House Document No. 669 (76th Cong., 3d sess.) for report of Chief of Engineers dated February 27, 1940, containing a general plan for improvement of the Mississippi River between Coon Rapids Dam and the mouth of the Ohio River for purposes of navigation, power development, the control of floods, and the needs of irrigation.

The latest map and profile published showing this section of the river have been inserted between pages 20 and 21 of House Document No. 137, Seventy-second Congress, first session. A map of the section, Minneapolis to Lake Pepin, is published in House Document No. 583, Sixty-ninth Congress, second session. The latest published maps of the locality at Moline are in House Document No. 397, Fifty-eighth Congress, second session, and House Document No. 263, Sixty-ninth Congress, first session. A map showing location of drainage districts (Bellevue, Iowa, to Missouri River) is published in Rivers and Harbors Committee Document No. 34, Seventy-fifth Congress, first session.

Pertinent data for existing and proposed locks and dams, etc., are given in the following table:

5, 607, 078. 40

1 Lifts and depths on miter sills, based on completion of all locks and dams.

2 Total estimated flowage damages, including clearing, surveys, and Government costs, $24,000,000.

Existing dam, owned by Northern States Power Co., is complete. Construction of lock has not been started.

Includes upper approach dredging. (Federal cost only.)

Includes upper and lower approach dredging. (Federal cost only.)

Excludes $1,100,000 contributed funds.

Based on pool elevation of 723.1 in pool No. 1 which is crest of dam. Pool No. 1 is normally maintained at elevation 725.1 by flashboards.
Old upper guard sill.

In addition, $1,948,772.95 was expended from previous projects, and $1,849,557.78 from operating and care appropriation for reconstruction of first of twin locks.
10 Actual cost.

18 Foundation and masonry for landward lock (100 percent completed).

13 Includes landward lock and appurtenant works. In addition, $1,965,316.22 was expended from previous projects.

14 Existing Le Claire Canal lock is used as auxiliary to lock No. 14; previous project costs, $540,000.

15 Depth over upper poiree sill. Depth over upper miter sills is 27 feet at lock No. 15; and 34 feet at main lock No. 26. 16 Proposed main lock.

18 In addition, cost of $640,868, for first lock, was reported by the Mississippi River Power Co., transferred to Government free in lieu of improvements destroyed
(A. R. 1928, pp. 1118-1119). Present estimate includes $5,814,000 for main lock.
19 Lift above possible future pool. Lift at extreme low water about 28.2 feet.

22 In addition, $620,000 was expended from the allotment for examinations, surveys, and contingencies, covering the original 9-foot survey, and a total of $613,551.44 has been expended by the Works Progress Administration for miscellaneous clearing and esplanade work in the Rock Island district.