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Scientific Investigations Report 2012–5017


Geomorphic Setting, Aquatic Habitat, and Water-Quality Conditions of the Molalla River, Oregon, 2009–10


Table 5. Upstream and downstream extents of the six geomorphic reaches along the lower Molalla River, Oregon.


[Abbreviations: FPkm, flood plain kilometer; Rkm, river kilometer]


Reach
name
Geomorphic flood plain   River centerline
Downstream
extent
(FPkm)
Upstream
extent
(FPkm)
Downstream
extent
(Rkm)
Upstream
extent
(Rkm)
GR1 0 2   0 2.89
GR2 2 9 2.89 10.39
GR3 9 15.4 10.39 18.43
GR4 15.4 26.1 18.43 33.25
GR5 26.1 33.0 33.25 41.13
GR6 33.0 35.7 41.13 44.19

First posted February 29, 2012

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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