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RIVER AND HARBOR IMPROVEMENTS. 1391
arid generally parallel to the coast line of the Pacific Ocean, and
empties into the Columbia River about 100 miles from the sea. It
drains an area between the Coast and Cascade Ranges of...
2006-06-16
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1392 EEPOET OF THE CHIEF OF ENGINEERS, U. S. AEMY.
Fifty-fourth Congress, first session, with map, and in Annual Report
of the Chief of Engineers for 1896, page 3309. This project was
adopted by the act of June 3, 1896, and provided for...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS.
1393
water depth of from 2£ to 3£ feet. From Corvallis to Harrisburg
(33 miles) the project provides for snagging only.
References to examination or survey reports and maps or plans (including...
2006-06-16
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1394 REPORT OF THE CHIEF OF ENGINEERS, U. S. ARMY.
steam drill mounted on a small scow was used for drilling at Cope-
leys Rock. About 500 cubic yards of rock were broken up. The
work of removing the rock to a depth of 6 feet at low...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS.
1395
to
the water level between Portland and Clackamas Rapids from 1
2 feet.
The improvement covers the whole stretch of the river between
Portland and Harrisburg, although the old canal,...
2006-06-16
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1396 REPORT OF THE CHIEF OF ENGINEERS, U. S. ARMY.
ABOVE OREGON CITT.
July 1, 1913, balance unexpended_________________________________$45,123. 20
Deposited account sales_________________________________________ 70.00...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS. 1397
2. Operating and care of loch and dam in Yamhill River, Oreg.—
The lock and dam are situated on the Yamhill River, 8 miles above
its mouth and 10 miles below the head of navigation, at McMinn-...
2006-06-16
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1398 REPORT OF THE CHIEF OF ENGINEERS, U. S. ARMY.
mated that the flow is capable of developing from 55,000 to 60,000
horsepower at the ordinary low stages of the river, and the company
has established and now operates electric...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS.
1399
the upper basin from the factories which now take water from the
canal for power purposes. The estimated cost of the improvements
recommended is $300,000, making the total cost of purchasing and...
2006-06-16
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140O EEPOKT OP THE CHIEF OF ENGINEERS, U. S. AEMY.
4. Columbia and Lower Willamette Rivers below Portland, Oreg.—
The Columbia Eiver rises in British Columbia, flows northerly, then
southerly and westerly and forms in its lower portion,...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS.
1401
The existing project for improvement was adopted by the act of
July 25, 1912, and is printed in House Document No. 1278, Sixty-
first Congress, third session. The act of February 27,1911, contained...
2006-06-16
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1402 REPORT OP THE CHIEF OF ENGINEERS, TJ. S. ARMY.
The expenditures of United States money during the fiscal year
amounted to $507,897.76, of which $65,038.97 was for maintenance
(dredging by Clatsop, $55,143.25; repairs to St. Helens...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS.
1403
Comparative statement of traffic handled on Columbia and lower Willamette
Rivers, below Portland, Oreg.
Calendar years.
Handled by seagoing vessels.
Handled by river vessels.
Total....
2006-06-16
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1404 REPORT OF THE CHIEF OF ENGINEERS, U. S. ARMY.
those two points. The estuary furnishes excellent fresh-water harbor
facilities, which also extend up the stream to Portland, Oreg., a dis-
tance of 110 miles. A description of the...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS.
1405
Based on experience in building the south jetty extension a revised
estimate of $5,966,573 for constructing the north jetty was approved
July 18, 1913. It is based on an assumed crest width of 40...
2006-06-16
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1406 EEPOET OF THE CHIEF OF ENGINEEES, U. S. AEMY.
mean lower low water; thence rising to elevation 12 at station 294-j-
70; thence rising to elevation 16 at station 308+02; thence rising to
elevation 18 at station 334+38; thence rising...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS. 1407
lower low water at the end. Total length of enrockment, 5,626
feet; total quantity of rock placed, 422,783 tons.
The completed docks at Fort Canby have a capacity for unloading
about 5,000...
2006-06-16
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1408 REPOET OP THE CHIEF OF ENGINEERS, IT. S. ARMY.
The total amount expended on all projects to the end of the fiscal
year 1914 was $12,092,979.30, distributed as follows: South jetty,
$8,317,675.62; north jetty, $868,088.14; altering,...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS. 1409
July 1, 1913, balance unexpended____________________________$1,197,351.07
Deposited account sales_____________________________________ 1, 941. 20
1,199, 292. 27
June 30, 1914, amount...
2006-06-16
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1410 EEPOET OF THE CHIEF OF ENGINEERS, U. S. ARMY.
A minimum usable low-water depth of about 6 feet can be carried
from the mouth of the Clatskanie to the Columbia River ship chan-
nel (about 3^ miles) ; thence to the ocean 26 feet can...
2006-06-16
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RIVEB AND HARBOR IMPROVEMENTS.
1411
The variation of water level due to tide only is about 5 feet, but
backwater of the Columbia River during freshet time raises the river
to a height of about 10 feet.
Clatskanie, a small town...
2006-06-16
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1412 KEPORT OF THE CHIEF OF ENGINEERS, U. S. ARMY.
bia River 64 miles above its mouth and about 45 miles below
Portland.
The section of river included in the present project extends from
the mouth to Toledo, about 37 miles, and...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS. 1413
The following is a summary of the work accomplished:
Material dredged from channel________________________cubic yards.. 22,330
Material dredged and placed in dams and...
2006-06-16
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1414 REPORT OP THE CHIEF OF ENGINEERS, U. S. ARMY.
Comparative statement of traffic.
Calendar years.
Short tons.
Estimated value.
Passengers.
Calendar years.
Short tons.
Estimated value.
Passengers.
1904...
2006-06-16
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RIVER AND HARBOR IMPROVEMENTS.
1415
The project covers the river from the mouth to La Center on the
East Fork, about 7 miles, and to Kunyon on the North Fork, about 30
miles above the mouth.
A minimum usable low-water depth of...
2006-06-16
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