Miles below

Minne

apolis

497.2

497.9

497.9

498. 2

499.4

499.9

500.0

500. 1

500. 5 501.1

501. 4

501. 4

502. 0

502. 4

502.4

503.7

504. 3

504.4 504.8

505. 0

Chart No. 23

FOX ISLAND TOWHEAD (foot).

HACKLEY CHUTE (upper end)

HACKLEY ISLAND (head).

FOX ISLAND (ISLAND NO. 407) (foot).

FOX RIVER (mouth).

TAYLOR ISLAND (ISLAND NO. 408) (head).

GREGORY, CLARK CO., MO. Railroad: Chicago, Burlington &

BUZZARD ISLAND (ISLAND NO. 409) (head).
JOHNSON LANDING.

BUZZARD ISLAND (ISLAND NO. 409) (foot).

HUNT ISLAND (foot) (partly inundated) (behind Huff Island).
ISLAND NO. 411 (foot) (partly inundated).

HUFF ISLAND (ISLAND NO. 410) (foot) (behind Hardy Bar Island).
FENWAY, LEWIS CO., MO. Railroad: Chicago, Burlington &
Quincy.

HARDY BAR ISLAND (foot) (partly inundated).
CURTIS POINT.

TULLY ISLAND (ISLAND No. 413) (head) (partly inundated).
POLLY ISLAND (foot) (partly inundated).

BROWNSVILLE ISLAND (ISLAND NO. 414) (foot).

ISLAND NO. 415 (head).

TULLY ISLAND (ISLAND NO. 413) (foot) (partly inundated)
WHITES ISLAND (foot) (partly inundated).

MEYER, ADAMS CO., ILL..

ISLAND NO. 415 (foot).

URSA FARMERS COOPERATIVE CO. GRAIN ELEVATOR...
GAGE, LOCK AND DAM NO. 20 (upper) (see p.288) -

510.7 CANTON, LEWIS CO., MO. (2,125). Railroad: Chicago, Burlington

& Quincy...

R

342.3

509.8 LOCK AND DAM NO. 20 (see p. 191) (for regulations, see p.21). Lock on right bank, 110' x 600'..

478.1

478.2

478.2

479.4

480.5

481.4

483.8

484. 1

LAMALEES CREEK.

MONTROSE, LEE CO., IOWA (592). Ferry to Nauvoo, Ill. Railroad:
Chicago, Burlington & Quincy..

NAUVOO, HANCOCK CO., ILL. (1,088). Ferry to Montrose, Iowa..
BREAKWATER. Affords harbor of refuge during storms.

SOLFERINO CREEK.

RILEY CREEK..

GALLAND, LEE CO., IOWA.

482.7 BALLINGER, LEE CO., IOWA.

LARRYS CREEK.

WAGGONERS RUN.

EMERGENCY MOORINGS.

CHENNEY CREEK.

ENTRANCE TO FOREBAY ABOVE KEOKUK LOCK.

488.4

AERIAL CABLE CROSSING (see p. 285).

Clearances: 73.7 feet above both pool and high water.

488.6 HAMILTON, HANCOCK CO., ILL. (1642). Railroads: Toledo,

Peoria & Western; Wabash.

488.7 GAGE, KEOKUK LOCK (Upper) (see p. 288).

488.8 LOCK AND DAM NO. 19 (see p. 192) (for regulations see p. 21). Lock

on right bank, 110′ by 358′.

GAGE, KEOKUK LOCK (lower) (see p. 288)

WABASH: AND TOLEDO, PEORIA & WESTERN RAILROAD
AND HIGHWAY BRIDGE (see p. 236)..

Clearances: Horizontal, 166. 5 feet; available 158.0 feet. Vertical (to aerial wires) 77.2 feet above pool, 59.6 feet above 1851 high water. 489.2 KEOKUK, COUNTY SEAT OF LEE CO., IOWA (15,076). Principal industries are manufacture of leather and rubber goods, clothing and agricultural products. Railroads: Chicago, Burlington & Quincy; Chicago, Rock Island & Pacific; Toledo, Peoria & Western; and Wabash.

ISLAND NO. 403 (foot).

MILLER SAND CO. (see p. 16).

ISLAND NO. 404 (head).

KEOKUK ELECTRO METALS CO. TERMINAL (see p. 16).
DES MOINES RIVER (mouth).

489.4

489.4

489.9

490. 1

BLOODY RUN.

NASSAU ISLAND (ISLAND NO. 406) (head)'now part of mainland...
GAGE, WARSAW (see p. 288).

WARSAW, HANCOCK CO., ILL. (1895). Railroad: Toledo, Peoria
& Western..

FARMERS GRAIN & SUPPLY CO. ELEVATOR (see p. 16).
ALEXANDRIA, CLARK CO., MO. (624). Railroad: Chicago, Bur-
lington & Quincy-

DAM AND POWER HOUSE, KEOKUK DAM (Mississippi River
Power Co.)..

364.8

787954-48 8

469.0 NIOTA, HANCOCK CO., ILL. (258). Railroad: Atchison, Topeka &

Sante Fe.

469.1

469.1

GAGE, FORT MADISON (see p. 288)

ATCHISON, TOPEKA AND SANTE FE RAILWAY AND HIGH-
WAY BRIDGE (see p. 237)..

Clearances: Horizontal, 227.0 feet; available, 200.0 feet. Vertical (to
aerial wires) 71.8 feet above pool; 66.1 feet above 1851 high water.
SUBMARINE CABLE CROSSINGS..

LAUNCH HARBOR..

FALL CREEK.

FORT MADISON, COUNTY SEAT OF LEE CO., IOWA (14,063).
Iowa State penitentiary. Railroads: Atchison, Topeka & Sante Fe;
Chicago, Burlington & Quincy.

EVERINGHAM OIL CO. TERMINAL (see p. 17).

469.1 469.3

469.6

470.0

470.3

471.6

473.9

ISLAND NO. 395 (foot).

SUBMARINE PIPE CROSSINGS (7 lines)..

ROBERTSON CREEK.

DOBSON SLOUGH (lower end).

DEVILS CREEK.