Imágenes de páginas
PDF
EPUB
[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small]
[blocks in formation]

680

IOWA MINNESOTA

NOTES:
1. Circles denote observed points.
2. Pool profiles are based on a full pool at dams and

discharges which are equalled or exceeded 90% of the time.
3. High water profile is based on the maximum stage of record.

- FOUNTAIN CITY, WIS.

- WINONA, MINN.

ليبيا

(1880)

POOL (Level Pool 660.0)

-LA CROSSE, WIS.

-MCGREGOR, IOWA -PRAIRIE DU CHIEN, WIS.

- LANSING, IOWA

POOL . (Leve! Pool 645.5)

POOL (Level Pool

651.0)

LOCK & DAM NO. 5

640

(Level Pool

639,0)

LOCK & DAM NO. SA

ELEVATION ABOVE MEAN SEA LEVEL (1912 ADJ.)

POOL P. (Level Pool 631.0)

LOCK & DAM NO. TREMPEALEAU RIVER

(1880)

LOCK & DAM NO.

620

LOCK & DAM NO. 81

POOL

(Level Pool 620.0

ROOT RIVER

POOL (Level Pool 611.0)

LCCK & DAM NO. 91

600

BLACK & LA CROSSE RIVERS

UPPER IOWA RIVER

(Lower Mouth)

WISCONSIN RIVER

600

YELLOW RIVER

730

740.750

[merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small]
[graphic][merged small][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed]

1 Elevations of pools for Dams Nos. 24, 25, and 26 referred to M. S. L., 1929 adjustment; all others referred to M. S. L., 1912 adjustment.

2 Except as otherwise noted, all lists are based upon proposed level pool stages above and below locks.

3 Information concerning status of construction is as of Dec. 31, 1946.

4 Top of flash boards, normal pool. Masonry crest elevation 723.1.
5 Ultimate.
6 Present pool. Ultimate pool elevation 563.25.
? Depth over upper poiree sill.
8 Lift above possible future pool. Lift at extreme low water about 28.2 feet.

[graphic]

LOCK & DAM NO. 26 - ALTON, ILLINOIS

(202.9 MILES ABOVE OHIO RIVER)

ALTON HIGHWAY BRIDGE

DRAW SPAN

ALTON RAILROAD BRIDGE

KLOCK 110 ft. x 600 ft. <

AUXILIARY LOCK 110 ft. x 360 ft.

טטטטטUUUU טעות

712.0 ft.

300.6 ft.

-712.0 ft.

15 TAINTER GATES

40 ft. x 30 ft.

15 TAINTER GATES

40 ft. x 30 ft.

STORAGE
YARD

3 ROLLER GATES
80 ft. x 25 ft.

POOL LINE

SCALE OF FEET

100 0

1000

2000

All elevations refer to Mean Sea Level Datum

(1929 Adjustment)

« AnteriorContinuar »