Environmental Engineering Reference
In-Depth Information
Vulnerability
Legend
High
H1
H2
H3
M1
M2
M3
M4
Glacial outwash (Qow)
Recent fluvial sediments (Qaa)
Rouge watershed boundary
Sand unit (Qls)
Country boundaries
Moraine unit (Fort Wayne) (Qmf)
Moraine unit (Defiance) (Qmdi and Qmdo)
Moraine unit (Birmingham) (Qmbw)
City/township boundaries
Highways
Medium
County roads
Rouge River major branches
Glacial lacustrine (beach or beach ridges)
(Qma, Qws, Qwa, Qga, Qlu, and Qlq)
Tributaries
Enclosed drains
L1
L2
L3
Sandy clay unit (Qla)
Sandy and silty clay unit (Qll)
Clay unit (Qlc)
1
10 km
N
Low
FIGURE 6.3
(See color insert.
) Geologic vulnerability map: Rouge River watershed. (From Rogers, D.T., Geologic sensitiv-
ity map of the Rouge River in southeastern Michigan, Wayne County, MI, 1:62,500. 1 Sheet, 1997c.)
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