344.9 345.5 345.9

345.9

346.2

347.2

347.2

348. 1

348.7

349.7

349.7

349.8

350.0

350.0

350.6

350.9

351.0

351.8 355.3

356.0

356.0

356. 1

356.7

357.0

357.0

357.9 359.6 359.7

359.8 359.9

359.9

360.6

360.6

ADAMS ISLAND (ISLAND NO. 296) (head) (partly inundated).
SHAFF CREEK (enters Schricker Slough) (behind Adams Isl.).
ADAMS ISLAND (ISLAND NO. 296) (foot) (partly inundated).
SCHRICKER SLOUGH (lower end).
WAPSIPINICON RIVER (mouth).

CORDOVA SLOUGH (upper end) (closing dam near upper end)
ISLAND NO. 299 (head) (partly inundated).
ISLAND NO. 300 (head) (partly inundated).
ISLAND NO. 299 (foot) (partly inundated).
ISLAND NO. 300 (foot) (partly inundated).
CORDOVA SLOUGH (lower end).

PINNEO CREEK.

SUBMARINE CABLE AND PIPE CROSSING

CORDOVA, ROCK ISLAND CO., ILL. (364). Railroad: Chicago,
Milwaukee, St. Paul & Pacific.

WHISKEY RUN.

GAGE, PRINCETON (see p. 289).

PRINCETON, SCOTT CO., IOWA (414). Railrcads: Chicago, Mil-
waukee, St. Paul & Pacific; Davenport, Rock Island., & North Western;
and Chicago, Burlington & Quincy..

BUD CREEK.

PORT BYRON, ROCK ISLAND CO., ILL. (861). Railroad: Chicago,
Milwaukee, St. Paul & Pacific

LE CLAIRE, SCOTT CO., IOWA (881). Railroads: Chicago, Mil-
waukee, St. Paul & Pacific; Davenport, Rock Island & North Western;
and Chicago, Burlington & Quincy.

GAGE, LE CLAIRE (see p. 289).

BARBER CREEK

RAPIDS CITY, ROCK ISLAND CO., ILL. (275). Railroad: Chicago,
Milwaukee, St. Paul & Pacific.

LE CLAIRE CANAL (upper end).

LE CLAIRE CANAL DAM (upper end) (longitudinal dam) (partly
inundated).

SYCAMORE CREEK.

GAGE, LOCK AND DAM NO. 14 (upper) (see p. 289).

LOCK AND DAM NO. 14 (see p. 197) (for regulations see p. 21). Locks on
right bank. Main lock chamber 110' x 600'. Auxiliary lock chamber
80' x 320'. (Le Claire Lock.)

GAGE, LOCK AND DAM NO. 14 (lower) (see p. 289).

LE CLAIRE LOCK. Lock 80' x 320′ clear. Now used as auxiliary lock for
Lock and Dam No. 14 (for regulations see p. 21)..

SMITH ISLAND (ISLAND NO. 302) (foot). (Is lower end of Le Claire
Canal Dam).

SPENCER CREEK.

PLEASANT VALLEY, SCOTT CO., IOWA (775). Railroads: Chi-
cago, Burlington & Quincy; Chicago, Milwaukee, St. Paul & Pacific;
and Davenport, Rock Island & North Western.

GAGE, LOCK AND DAM NO. 13 (upper) (see p. 289)

L

522.6

330.5

LOCK AND DAM NO. 13 (see p. 198) (for regulations see p. 21). Lock on
left bank 110' x 600'.

522. 5

Clearances: Horizontal, 353.0 feet; available, 353.0 feet. Vertical, 70.0
feet above pool, 55.6 feet above 1880 high water.

332.9 332.9

333. 1

334. 2 334.8

335.0

335. 1

335.1

335.5

335.5

335.6

335.7

336.1

337.1

337. 1

337.2

338.7

338.7

338.8

SMITH OIL & REFINING CO. TERMINAL (see p. 18).
FULTON, WHITESIDE CO., ILL. (2,585). Railroads:

Chicago & North Western; Chicago, Burlington & Quincy; and Chi-
cago, Milwaukee, St. Paul & Pacific..

ISLAND NO. 288 (head).

ISLAND NO. 289 (foot)

CLINTON, COUNTY SEAT OF CLINTON CO., IOWA (26,270).
Principal industries are corn products, woodwork, foundry, and ma-
chine work. Railroads: Chicago, Milwaukee, St. Paul & Pacific; Chi-
cago & North Western; Chicago, Burlington & Quincy; Davenport,
Rock Island & North Western; and Chicago, Rock Island & Pacific..
CLINTON HIGHWAY BRIDGE (see p. 247).

Clearances: Horizontal, 384.0 feet; available, 202.5 feet. Vertical,
69.5 feet above pool; 55.2 feet above 1880 high water.
CHICAGO & NORTH WESTERN RAILWAY BRIDGE (see p. 246).
Clearances: Horizontal, 202.5 feet; available, 202.5 feet. Vertical (to
aerial wires) 79.4 feet above pool; 65.3 feet above 1880 high water.
GAGE, CLINTON (see p. 289).

LITTLE ROCK ISLAND (ISLAND NO. 290) (foot).

BEAVER SLOUGH (upper end). (Navigable channel to manufactur-
ing plants on banks.

BEAVER ISLAND (ISLAND NO. 291) (head)

MUNICIPAL BARGE TERMINAL (in Beaver Slough) (operated by
Inland Waterways Corporation) (see p. 17).

CONTINENTAL GRAIN CO. ELEVATOR (see p. 17).
CAT TAIL SLOUGH (lower end).

CAT TAIL CREEK.

CEDAR CREEK.

SPRING CREEK.

MILL CREEK (enters Beaver Slough).

INTERSTATE POWER CO. DOCK (in Beaver Slough) (see p. 17)

339.5 AERIAL CABLE CROSSING (see p. 285)

339.5

340.0

340.1

340. 2

340.4

341. 1

341.2

341.3

Clearances: 72.0 feet above pool; 59.4 feet above 1880 high water. ALBANY, WHITESIDE CÓ., ILL. (492). Railroad: Chicago, Milwaukee, St. Paul & Pacific..

ISLAND NO. 292 (foot)

BEAVER ISLAND (ISLAND NO. 291) (foot).

BEAVER SLOUGH (lower end).

MARAIS D'OSIER SLOUGH (upper end)
ISLAND NO. 294 (head) (partly inundated)
GAGE, CAMANCHE (see p. 289).

CAMANCHE, CLINTON CO., IOWA (814). Railroads: Chicago,
Milwaukee, St. Paul & Pacific; Davenport, Rock Island & North
Western; Chicago, Rock Island & Pacific; and Chicago, Burlington &
Quincy

MARAIS D'OSIER (enters Slough behind Island No. 294).

315.2

SAVANNA HIGHWAY BRIDGE (see p. 250).

315.7

316.0

316. 1 316.3

316.6

317 1 317.3

317.7

318.0

318.0 318.6

319.6

319.9

319.9

319.9

320. 1

320.3

320.3

321.4

321.4

323. 2

323.9

324.7

325. 2 325.3

325.3

325.3

326.3

326. 3

328. 0

328.3

328.9

328.9

329.0 329.6

Vertical (mid

Clearances: Horizontal 508.0 feet; available 508.0 feet.
300 feet) 67.0 feet above pool; 57.8 feet above 1880 high water.
SAVANNA, CARROLL CO., ILL. (4792). Railroad yards and shops.
Railroads: Chicago, Milwaukee, St. Paul & Pacific; Chicago, Burling-
ton & Quincy..

PLUM RIVER (mouth)

SAVANNA ISLAND (ISLAND NO. 268) (head) (partly inundated).
SAVANNA SLOUGH (upper end) (junction with Plum River)..
SUBMARINE CABLE CROSSING.

ISLAND NO. 267 (foot) (partly inundated).

KELLERS ISLAND (ISLAND NO. 264) (partly inundated).

SABULA, JACKSON CO., IOWA (771). Railroad: Chicago, Milwau-
kee, St. Paul & Pacific.

CHICAGO MILWAUKEE, ST. PAUL & PACIFIC RAILROAD
BRIDGE (see p. 249).

Clearances: Horizontal 159.5 feet; available 159.5 feet. Vertical (to
aerial wires) 71.8 feet above pool; 6.3 feet above 1880 highwater.
GAGE, SABULA (see p. 289)

ISLAND NO. 269 (head) (partly inundated).
ISLAND NO. 269 (foot) (partly inundated).

DARK SLOUGH (upper end) (closing dam near upper end).
ISLAND NO. 272 (head) (partly inundated) -

SAVANNA ISLAND (ISLAND NO. 268) (foot) (partly inundated).
FULTON ISLAND (head) (partly inundated).

ISLAND NO. 271 (foot) (now inundated).
SAVANNA SLOUGH (lower end).

ISLAND NO. 274 (foot) (partly inundated)

DARK SLOUGH (lower end)

ISLAND NO. 277 (foot) (now inundated)

ELK RIVER SLOUGH (upper end) (closing dam near upper end) (now
within pool).

ISLAND NO. 278 (foot) (now inundated)

ISLAND NO. 279 (foot) (now inundated).

ELK RIVER (mouth).

ISLAND NO. 281 (head).

ELK RIVER JUNCTION, CLINTON CO., IOWA. Railroad: Chi-
cago, Milwaukee, St. Paul & Pacific.

ISLAND NO. 282 (foot) (now inundated)

ELK RIVER SLOUGH (lower end) (now within pool).

ISLAND NO. 283 (foot) (now inundated)_

IOWA SLOUGH (upper end) (closing dam near upper end) (now within
pool)

ISLAND NO. 284 (foot) (now inundated)
ISLAND NO. 286 (head) (now inundated).
ISLAND NO. 285 (foot) (now inundated)
FULTON ISLAND (foot) (partly inundated).