R.M. 60
Thurston County Lewis County R.M. 61
Li nc ol n
Cr e
R.M. 62
CH-19
ek
R.M. 4
R.M. 63
I-5
R.M. 64 R.M. 3
R.M. 2
ck u h mc u k o r Sko Rive R.M. 1
Eagle Creek R.M. 65
Fords Prairie Pheasant Farm R.M. 66
CH-8 Sc am
m on
Cr e
R.M. 0 R.M. 67
Centralia
CH-1
07 5 SR
ek
CH-20
R.M. 68
Horseshoe Lake
CH-7
R.M. 69
Salz e
NE-10a NE-10c
r Cre
ek
R.M. 70 R.M. 71
NE-10b Coal Cre
ek R.M. 72
Chehalis R.M. 73
R.M. 74
Coa l Cr eek R.M. 76
R.M. 0
6 SR
Di lle
R.M. 77
ek Mill Cre
R.M. 78
R.M. 1
CH-21
NE-9
R.M. 79
LEGEND nb au gh
Elevation Relative to Chehalis River Thalweg >-12 to ≤-6 ft Cr ee >-6 to ≤-2 ft k >-2 to ≤0 ft >0 to ≤2 ft >2 to ≤4 ft >4 to ≤6 ft R.M. 2 >6 to ≤8 ft >8 to ≤10 ft >10 to ≤15 ft >15 to ≤20 ft Potential Side-Channel/Off-Channel Enhancement R.M. 3 Potential Floodplain Enhancement I-5
r ve Ri
R.M. 80
Stearns Creek
CH-22 R.M. 81
NE-15
um uk wa Ne
R:\Jobs\100705-01_Chehalis_Fish_Study\Maps\2012_01\Enhancement SOW\Mainstem_Relative_Elevation_3_11x17.mxd epipkin 2/13/2012 10:27:12 AM
CH-6
R.M. 75
R.M. 4
NOTES: 1. Relative elevation mapping completed using elevation data compiled from multiple sources. 2. Aerial image is National Agriculture Imagery Program, 2011. R.M. 5
0
Miles 0.5
1
[
Figure 9 Mainstem Chehalis River Relative Elevation Map 3 of 5 Chehalis River WRIA 23 Enhancement Opportunities Chehalis River Basin Flood Authority