225.3

225.5

225.5

225.8

225.8

226.5

ISLAND NO. 176 (foot) (partly inundated).

ISLAND NO. 177 (foot) (partly inundated).

227.3

227.9

227.9

228. 1

228. 1

228.2

228.3

230.0

230.0

231.1

231.1

231.9

232.0

ISLAND NO. 186 (head) (partly inundated)

WYALUSING, GRANT CO., WIS. (116). Railroad: Chicago, Bur

lington & Quincy

WYALUSING SLOUGH (upper end)

ISLAND NO. 178 (head) (partly inundated).

SNY MAGILL CREEK (enters Wyalusing Slough).

CATFISH SLOUGH (upper end).

ISLAND NO. 178 (foot) (partly inundated)
WYALUSING SLOUGH (lower end).
ISLAND NO. 181 (foot) (partly inundated).
CATFISH SLOUGH (lower end)..

GAGE, CLAYTON (see p. 289).

CLAYTON, CLAYTON CO., IOWA (161). Railroad: Chicago, Mil-
waukee, St. Paul & Pacific.

HOVIE ISLAND (ISLAND NO. 182) (head) (partly inundated).

BAGLEY, GRANT CO., WIS. (293). Railroad: Chicago, Burlington
& Quincy

HOVIE IŠLAND (ISLAND NO. 182) (foot) (partly inundated).
FRENCH ISLAND (head) (partly inundated).

SANDY CREEK (enters slough behind French Island).

FRENCH ISLAND (foot) (partly inundated).

MCMILLANS ISLAND (head) (partly inundated)

CHASE CREEK (enters slough).

CASSVILLE SLOUGH (upper end)..

ISLAND NO. 188 (head) (partly inundated)

GLEN HAVEN, GRANT CO., WIS. (195). On Cassville Slough.
Railroad: Chicago, Burlington & Quincy

BUCK CREEK (enters slough behind McMillans Island)

MCMILLANS ISLAND (foot) (partly inundated).

FERRY SLOUGH (upper end, junction with Cassville Slough).
ISLAND NO. 189 (head) (partly inundated).

ISLAND No. 188 (foot) (partly inundated)_.

FERRY SLOUGH (lower end)

SWIFT SLOUGH (upper end) (closing dam near upper end).

WILLOW ISLAND (foot) (now inundated).

GAGE, LOCK AND DAM NO. 10 (upper) (see p. 289)

LOCK AND DAM NO. 10 (see p. 201) (for regulations see p. 21). Lock
on right bank, 110' x 600'.

GAGE, LOCK AND DAM NO. 10 (lower) (see p. 289)

GUTTENBERG, CLAYTON CO., IOWA (1,860). Railroad: Chi-
cago, Milwaukee, St. Paul & Pacific.

239.0

ST. PAUL-ROCK ISLAND ENGINEER DISTRICT BOUNDARY.

614.0

WAUKON JUNCTION, ALLAMAKEE CO., IOWA (101). On
Harpers Slough. Junction of Chicago, Milwaukee, St. Paul & Pacific
main line with branch line west.

JACKSON ISLAND (ISLAND NO. 163) (foot).

HARPERS SLOUGH (lower end).

apolis

210.8

PICATEE CREEK.

210.8

ISLAND NO. 166 (head)

211.7

211.8

211.9

212.6

PAINT CREEK.

217.7

LANDING.

217.8 217.8

JOHNSON PORT, ALLAMAKEE CO., IOWA.
ISLAND NO. 167 (foot).

ISLAND NO. 169 (head).

YELLOW RIVER (mouth).

ISLAND NO. 166 (foot).

EAST CHANNEL (upper end).

219.6

GAGE, PRAIRIE DU CHIEN (see p. 289)

PRAIRIE DU CHIEN, COUNTY SEAT OF CRAWFORD CO.,
WIS. (4,622). Important trade center for surrounding agricultural
territory. It is the second oldest city in the State of Wisconsin, having
been settled during the latter half of the 18th century by French traders.
The U. S. Government built Fort Crawford here in 1816, the ruins of
which still remain. Vehicular ferries to McGregor, Iowa. Railroads:
Chicago, Burlington & Quincy; and Chicago, Milwaukee, St. Paul &
Pacific.
MARQUETTE HIGHWAY BRIDGE (see p. 255)

Clearances: Horizontal, 460.0 feet, available, 440.0 feet. Vertical
(mid 300 feet), 70.7 feet above pool, 55.6 feet above 1880 high water.
MARQUETTE CLAYTON CO., IOWA (747). Formerly North
McGregor. Railroads: Chicago, Milwaukee, St. Paul & Pacific main
line, and branch line west.

CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAIL-
ROAD BRIDGE (see p. 254).

Clearances: Main channel: Horizontal, 238.0 feet; available 238.0 feet.
Vertical clearances unlimited. East channel: Horizontal, 160.0
feet; available, 160.0 feet. Vertical clearances unlimited.
SUBMARINE CABLE CROSSINGS.

BLOODY RUN..

GAGE, MCGREGOR (see p. 289).

LANDING

MCGREGOR, CLAYTON CO., IOWA (1309). Vehicular ferries to Prai-
rie du Chien, Wis. Railroad: Chicago, Milwaukee, St. Paul & Pacific.
ISLAND NO, 173 (head).

ISLAND NO. 172 (foot).

EAST CHANNEL (lower end)

AERIAL CABLE CROSSING (see p. 285).

Clearances: 84.4 feet above pool; 69.7 feet above 1880 high water.

PICTURE ROCKS. Sandstone cliffs noted for their various and

beautiful colors.

WISCONSIN RIVER (mouth).

224.0 ISLAND NO. 175 (foot).

LRL

FERR

634.7

634.6

633.6

633.4

633.4

633.4

633. 3 633.3 633. 2

632.2 632. 1 631.3

་

631.2 631.0

630.0

629.0