Miles below Minneapolis

452.1

452.8

ELLISON CREEK DIVERSION DITCH (enters slough behind
Burlington Island).

SHOKOKON, HENDERSON CO., ILL..

452.9 CRAIGEL ISLAND (ISLAND NO. 379) (head)

452.9 CARMAN, HENDERSON CO., ILL. (383) Railroad: Chicago, Bur

453.0

454.0

454.3

lington & Quincy.

TWO MILE ISLAND (head) (in Shokokon Slough).
CRAIGEL ISLAND (ISLAND NO. 379) (foot).
SPRING CREEK.

THOMPSON ISLAND (ISLAND NO. 384) (foot).
THOMPSONS SLOUGH (lower end)

DALLAS CHUTE (upper end) (present main channel). 461.9 DALLAS ISLAND (ISLAND NO. 386) (foot)..

462.4

462.6 464.3

464. 5

DALLAS CITY, HANCOCK-HENDERSON COS., ILL. (1149).
Railroads: Atchison, Topeka & Santa Fe; Chicago, Burlington &
Quincy

DALLAS CITY GRAIN & FEED CO. ELEVATOR (See p. 17)..
PONTOOSUC, HANCOCK CO., ILL. (165). Railroad: Atchison,
Topeka & Santa Fe.
SPILLMAN CREEK.

391.1

390.6

390.4

388.7

388.5

Miles below Minneapolis

436.5

437.1 437.2

437.3

437.4

438. 6 438.7

438.8

439.3

439.7 439.8

440. 5 440.5 440.6

440. 6

440.7

441.5

441.7

441.7

441.9

442. 4

Chart No. 27

DASHER SLOUGH (upper end) (closing dam near upper end).
GAGE, OQUAWKA (see p. 288).

OQUAWKA, COUNTY SEAT OF HENDERSON CO., ILL. (912).
Railroad: Chicago, Burlington & Quincy.

OQUAWKA ISLAND (ISLAND NO. 365) (head) (now inundated).
WAYNE BROTHERS GRAIN CO. ELEVATOR (see p.17).
FERNAL ISLAND (ISLAND NO. 367) (head) (partly inundated).
LONG ISLAND (foot) (now inundated).

OQUAWKA ISLAND (ISLAND NO. 365) (foot) (now inundated).
EAGLE ISLAND (head) (now inundated)..

ISLAND NO. 368 (head) (now inundated).

FERNAL ISLAND (ISLAND NO. 367) (foot) (partly inundated).
ISLAND NO. 370 (head) (now inundated).
ISLAND NO. 369 (foot) (now inundated).
ISLAND NO. 368 (foot) (now inundated)
EAGLE ISLAND (foot) (now inundated).
DASHER SLOUGH (lower end).
SWIFT SLOUGH (upper end).

ISLAND NO. 370 (foot) (now inundated)
HENDERSON RIVER (old mouth).

RAG ISLAND (ISLAND NO. 371) (head) (now inundated).

SLIM ISLAND (foot) (partly inundated) (behind Dam No. 18 overflow dike). 442.4 GAGE, LOCK AND DAM NO. 18 (upper) (see p. 288).

442.5

442.6

442.6

443.0

443. 1

443. 4

443.7

443.7

443.7

445. 4

445. 4 446.2

446. 2

446. 2

446. 3 447.6

LOCK AND DAM NO. 18 (see p. 193) (for regulations see p. 21). Lock
on left bank, 110' x 600'.

GAGE, LOCK AND DAM NO. 18 (lower) (see p. 288).

YELLOW SPRING CREEK (enters Swifth Slough behind Rag Island).
RAG ISLAND (ISLAND NO. 371) (foot) (partly inundated).
HENDERSON RIVER (mouth).

SWIFT SLOUGH (lower end)..

OTTER SLOUGH (upper end).

PRAIRIE (DREW) CHUTE (upper end) (present main channel)
OTTER ISLAND (ISLAND NO. 373) (head).

O'CONNELL SLOUGH (upper end) (closing dam near upper end)
O'CONNELL ISLAND (ISLAND NO. 374) (head).

OTTER ISLAND (ISLAND NO. 373) (foot).......

RUSH CHUTE (upper end) (closing dam near upper end).
RUSH ISLAND (ISLAND NO. 375) (head).

OTTER SLOUGH (lower end) (closing dam near lower end).

RUSH ISLAND (ISLAND NO. 375) (foot)..

BABY RUSH ISLAND (foot)

WILLOW BAR ISLAND (foot).

FLINT CREEK (enters O'Connell Slough behind O'Connell Island).
O'CONNELL ISLAND (ISLAND NO. 374) (foot).

O'CONNELL SLOUGH (lower end).

GULFPORT, HENDERSON CO., ILL. (174).

WAYNE BROTHERS GRAIN CO. ELEVATOR (see p. 17).
BURLINGTON HIGHWAY BRIDGE (see p. 239)_.

Clearances: Horizontal 470.0 feet; available 470.0 feet. Vertical (mid
300 feet) 65.5 feet above pool; 53.5 feet above 1851 high water.
BARGE TERMINAL (Municipal) (operated by Inland Waterways
Corporation) (see p. 17).

BURLINGTON, DES MOINES CO., IOWA (25,832). Principal in-
dustries are clothing and wood products. Railroads: Chicago, Burling-
ton & Quincy; Chicago, Rock Island & Pacific..

BURLINGTON GRAIN & FEED CO. ELEVATOR (see p. 17)..
CARTHAGE JUNCTION, HENDERSON CO., ILL. Railroad:
Chicago, Burlington & Quincy

GAGE, BURLINGTON (see p. 288).

CHICAGO, BURLINGTON & QUINCY RAILROAD-BRIDGE
(see p. 238)

Clearances: Horizontal 153.0 feet: available 153.0 feet. Vertical (to
aerial wires) 77.4 feet above pool; 65.8 feet above 1851 high water.
PRAIRIE SLOUGH (upper outlet)

SHOKOKON SLOUGH (upper end).