569.8

570.2

570.8

570.9

570.9

572.1

572.1

574.0

574.2

575. 2

575, 5 575.6

575.7

LOUISIANA HIGHWAY BRIDGE (see p. 231)

Clearances: Horizontal 405.0 feet; available 405.0 feet. Vertical (mid
300 feet), 65.9 feet above pool, 55.8 feet above 1851 high water.

LOUISIANA, PIKE CO,. MO. (4,669). Railroads: The Alton; Chicago,
Burlington & Quincy.

NOIX CREEK.

ALTON RAILROAD BRIDGE (see p. 230).

Clearances: Horizontal 195.4 feet; available 195.4 feet. Vertical (to aerial wires) 78.0 feet above pool, 68.4 feet above 1851 high water. GAGE, LOUISIANA (see p. 288).

BUFFALO CREEK.

BUFFALO ISLAND (ISLAND NO. 457) (foot).

CRIDER ISLAND (ISLAND NO. 458) (foot) (partly inundated).
CASH ISLAND (ISLAND NO. 459) (head) (partly inundated).
CASH ISLAND (ISLAND NO. 459) (foot) (partly inundated).

MCINTOSH, PIKE CO., MO., Railroad: Chicago, Burlington & Quincy
CLARKSVILLE CHUTE (head) (present main channel).

PHARRS ISLAND (ISLAND NO. 460) (head) (now inundated).. 575.7 ISLAND NO. 461 (head) (now inundated).

575.9

LITTLE CALUMET CREEK..

552,9

553.0

553.0

553. 5

554. 3

555.3

555.3

556. 7

557.8 558. 2

558. 5

558.8

559.5

559.9

560.0

560.0 562.0

562. 1

563. 3

563.9

563.9

564. 5

CLEMENS, RALLS CO., MO., Railroad: Chicago, Burlington &
Quincy

ROCK ISLAND-ST. LOUIS ENGINEER DISTRICT BOUND-
ARY

COTTEL ISLAND (ISLAND NO. 446) (foot).
TAYLOR STATION, RALLS CO., MO.

TAYLOR ISLAND (ISLAND NO. 447) (foot)

GILBERTS CHUTE (upper end) (closing dam near center).

GILBERTS ISLAND (ISLAND NO. 448) (head).

CINCINNATI LANDING.

BUSCH, PIKE CO., MO., Railroad: Chicago, Burlington & Quincy.
GILBERTS ISLAND (ISLAND NO. 448) (foot).

SLIM ISLAND (ISLAND NO. 449) (foot).

GILBERTS CHUTE (lower end).

DENMARK ISLAND (ISLAND NO. 450) (head)

ASHBURN, PIKE CO., MO. (181). Railroad: Chicago, Burlington
& Quincy...

539.1

540.9

541.9

542.2

542. 4

543.1

543.1

543.1

543.2

ARMSTRONG ISLAND (ISLAND NO. 438) (head) (partly inundated).
ARMSTRONG ISLAND (ISLAND NO. 438) (foot) (partly inundated).
TURTLE ISLAND (ISLAND NO. 439) (foot) (partly inundated).
ST. CHARLES BAY (enters behind Glaucus Ísland).
GLAUCUS ISLAND (ISLAND NO. 440) (foot)..
WABASH RAILROAD BRIDGE (see p. 233)..

Clearances: Horizontal 160.5 feet; available 160.5 feet. Vertical (to
aerial wires) 75.2 feet above pool; 63.1 feet above 1944 high water.
SUBMARINE CABLE CROSSING (under Wabash R. R. Bridge)..
GAGE, HANNIBAL (see p. 288).

SUBMARINE CABLE CROSSING.

543.2 AERIAL WIRE CROSSING (see p. 285).

Clearances: 70.6 feet above pool; 58.5 feet above 1944 high water.
543.8 BOLTON SAND & GRAVEL CÓ. TERMINAL (see p. 16)..
543.8 HANNIBAL (MARK TWAIN) HIGHWAY BRIDGE (see p. 232)-
Clearances: Horizontal 550.0 feet; available 546.0 feet. Vertical: 66.5
feet above pool; 54.6 feet above 1944 high water.

544.0 HANNIBAL, MARION CO., MO. (20,865) Railroads: Chicago, Bur-
lington & Quincy; Hannibal Connecting; St. Louis & Hannibal; and
Wabash
BEAR CREEK.

544. 2 544.9

545.5 545.9

546. 1 547.3

SHUCKS ISLAND (ISLAND NO. 441) (foot) (partly inundated).
GLASSCOX ISLAND (ISLAND NO. 442) (foot) (partly inundated)..
AERIAL CABLE CROSSING (see p. 285)...

Clearances: 73.9 feet above pool; 62.8 feet above 1944 high water.
KINGS ISLAND (ISLAND NO. 443) (foot) (partly inundated).
UNIVERSAL ATLAS CEMENT CO. TERMINAL (see p. 16).
548.0 ILASCO, RALLS CO., MO. Industry: Manufacture of cement. Rail-
roads: Chicago, Burlington & Quincy; Hannibal Connecting..
HARRIS ISLAND (ISLAND NO. 444) (foot) (partly inundated)..
550.3 SAVERTON, RALLS CO., MO. Railroad: Chicago, Burlington &
Quincy..

548.5

550.6

ISLAND NO. 445 (foot) (partly inundated).

302. 4

551.0

SUBMARINE PIPE CROSSING.

302.0

LOCK AND DAM NO. 22 (see p. 189) (for regulations see p. 21). Lock
on right bank, 110′ x 600.