Improve-
Table
Project Mate-
Length
Initial
Project Name
No.
ments
Construction
Type
rial
,
Portland District
RAIS,EXT
Chetco River
21
1,350
1957
1,350
1957
34 ,850
22
Columbia River at
1895
Mouth
EXT
1917
13,200
REP,REHAB
5,300
1939
REP,REHAB
Coos Bay
1891
9,600
REP,REHAB
**
1924
REP,REHAB
1957
2,800
REP,EXT
24
Coquille River
1907
REHAB,EXT
1907
2,700
REHAB
1982
N
350
160
25
Depoe Bay
C
1952
N
**
1966
C
N
26
S
Nehalem River
4,500
1915
1918
3,300
1968
550
27
S
Port Orford
N
N
S
Rogue River
28
1959
3,400
1960
REHAB
3,300
S
1917
S
Siuslaw River
7,490
EXT
REP,EXT
1917
3,945
1914
5,700
S
Tillamook Bay
30
RAIS
EXT
1979
S
8,000
REP,REHAB
8,000
1930
31
Umpqua River
4,200
REHAB,EXT
1934
4,240
EXT
1951
8,600
1895
S
Yaquina Bay
EXT
7,000
1895
EXT
1948
N
2,650
1948
400
N
N
1978
1,800
N
1978
700
S
(Continued)
12
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