637.0

638.0

638.7

639.0

639.3

640. 2

640.3

640.5

640.6

resort

641.6

637.0

SLIM ISLAND (head)

LONG LAKE (foot) (now within pool).

637.3 CHAUTAUQUA, JERSEY CO, ILL. Summer resort. Railroad:

Illinois Terminal.

SLIM ISLAND (foot)

ELSAH, JERSEY CO., ILL. (175).
College. Railroad: Illinois Terminal.
PORTAGE ISLAND (head).
WEBER BROS. DOCK (see p. 20).
PRINCIPIA COLLEGE (on bluff)
PORTAGE ISLAND (foot)

BARNARD HARBOR (see p. 20).

Summer resort and Principia

PORTAGE DES SIOUX, ST. CHARLES CO., MO. (254). Summer

DRESSER ISLAND (head) (now inundated).

LLRRR

LR

River

218.0 218. 0

AERIAL BEACON LIGHT NO. 4.

CLIFTON TERRACE, MADISON CO.,, ILL. Railroad: Illinois
Terminal.

NORMAN TRADING & TRANSPORTATION CO. DOCK.
HOP HOLLOW

DRESSER ISLAND (foot) (now inundated)

WATERWAYS TRANSPORTATION CO. TERMINAL (see p. 20).
ALTON DIKE (upper end).

217.7

216.0

216.0

215.7

215.0

214.3

214.0

213.7

212.8

212.7

212.5

212.4

211.4

210.7

209. 7

209.7 209. 4

208. 2

208.0

207.5

205.9

205.5

205. 2

LOCKS AND DAM NO. 26 (see p. 186) (for regulations see p. 21). Locks
on left bank. Main lock chamber 110' x 600'. Auxiliary lock chamber
110' x 360'.

650. 2 ALTON, MADISON CO., ILL. (31,255). Industries: Manufacture of
explosives, building material, steel products, brick, glass, paper,
chemicals, and flour. Farming center and railroad shops. Railroads:
The Alton; Chicago, Burlington & Quincy; Cleveland, Cincinnati,
Chicago & St. Louis; Missouri-Kansas-Texas; Missouri & Illinois
Bridge & Belt; Chicago, Springfield & St. Louis; and Illinois Terminal.
ELLIS ISLAND (head)..

650. 2

650.3

650.3

GAGE, LOCK AND DAM NO. 26 (lower) (see p. 287) -
ALTON RAILROAD BRIDGE (see p. 229).

Clearances: Horizontal, 200.0 feet; available, 110.0 feet. Vertical (to
aerial wires), 97.1 feet above 1904 low water, 62.5 feet above 1844
high water.

650.3

ALTON HIGHWAY BRIDGE (see p. 228).

202.7

650.6 651.0

Clearances: Horizontal, 437.0 feet; available, 110.0 feet. Vertical, 87.0 feet above 1904 low water, 52.4 feet above 1844 high water. BLASKE BOAT YARD DOCK (see p. 13).

L

202.4

ARRIVAL POST.

L

202.0

621.9

PERUQUE, ST. CHARLES CO., MO. Railroad: Chicago, Burlington

& Quincy

622.6

MCCANN LANDING.

625.7

625.7

DARDENNE CREEK (enters behind Dardenne Island)

KAMPVILLE STATION, ST. CHARLES CO., MO. Railroad: Chi

cago, Burlington & Quincy.

236.9

236.7

235. 1

234.8

234.8

234.3

234.0

233.9

233.7

233.4

233.0

232.4

232.0

232.0

231.3

231.1

230.4

229.9

229.9

229.5

229. 2

228.6

228.3

228.3

228.3

227.4

227.3

227.3

AERIAL CABLE CROSSING (see p. 285)

Clearances: 73. 2 feet above pool; 54.7 feet above 1844 high water.

BOLTERS ISLAND (foot).

CALHOUN LANDING

WAR EAGLE LANDING.

ISLAND NO. 518 (foot)

ENTERPRISE ISLAND (head).

ROYAL LANDING

ENTERPRISE ISLAND (foot).

SQUAW ISLAND (head) (partly inundated)

SQUAW ISLAND (foot) (partly inundated)

224.6

632. 1

PERRY ISLAND (head).

GRAFTON, JERSEY CO., ILL. (1110) Ferry to Missouri side. Rail

224. 4

224.0

223.7

223.5

223. 4

223.3

223.1

222. 2

222.2 221.7

221. 1

220.9

220.3

220. 1

219.8

219.5

219. 1

218. 5

218.3

218. 2

218. 0

213.0

602.6

603.8

604. 1 604.6

604.9

604.9

605.0

605.5

605.9

605.9

606. 5

606. 5 607.2

MAPLE ISLAND (head) (now inundated).
STAG ISLAND (head) (partly inundated).
CHURCH CREEK.

MAPLE ISLAND (foot) (now inundated).
STAG ISLAND (foot) (partly inundated).
CAMPBELLS LANDING

CAMPBELLS ISLAND (foot) (now inundated).
CHURCH'S LANDING.

ISLAND No. 496 (foot) (partly inundated).
BELLAMY LANDING.

JIM CROW ISLAND (head) (partly inundated).
TURNER LANDING..

TURNERS ISLAND (head) (partly inundated).
JIM CROW ISLAND (foot) (partly inundated).
SANDY ISLAND (head) (partly inundated).
TURNERS ISLAND (foot) (partly inundated)
WILSON LANDING.

SANDY ISLAND (foot) (partly inundated).
EMERGENCY MOORINGS.

ARRIVAL POST.

SARAH ANN ISLAND (foot) (now inundated)

GAGE, LOCK AND DAM No. 25 (upper) (see p. 288)

CAP AU GRIS, LINCOLN CO., MO. Ferry to West Point Landing.

LOCK AND DAM No. 25 (see p. 187) (for regulations see p. 21). Lock
on right bank, 110' x 600'.

BRADLEY ISLAND (foot)

607.5

608.1

608.8

609.7

610.9

610.9

611.1

611.3

611.5

611.6

611.6

611.6

611.8

611.9

612.0

612.0

612.3

612.3

612.5

613.3

613.9

614.6

614.9

614.9

615.0

TURKEY ISLAND (head)

615.8

GAGE, LOCK AND DAM No. 25 (lower) (see p. 288)
ISLAND No. 502 (foot) (partly inundated).

MAPLE ISLAND (foot) (partly inundated).

GILEAD SLOUGH (lower end) (within pool above dam No. 25).
WEST POINT LANDING. Ferry to Cap au Gris..

ARRIVAL POST

CAP AU GRIS ROCK

DOGTOWN LANDING, CALHOUN CO., ILL.

BEACH LANDING

HASTINGS LANDING, CALHOUN CO., ILL.
BOBBS CREEK.

CUIVRE ISLAND (head).

BRUSSELS LANDING..