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Williams River

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Record: 38    Segment ID: T5.S1.04-    Stream Name: South Branch Williams River

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Stream Channel  
2.1 Bankfull Width 46 ft.
2.2 Maximum Depth 3.5 ft.
2.3 Mean Depth 2.2 ft.
2.4 Floodprone Width 53 ft.
2.5 Recently Abandoned Floodplain 10.0 ft.
  Human Elevated Floodplain ft.
2.6 Width/Depth Ratio 20.7
2.7 Entrenchment Ratio 1.2
2.8 Incision Ratio - Redently Abandoned Floodplain 2.9
  Incision Ratio - Human Elevated FloodPlain 0.0
2.9 Sinuosity Low
2.10 Type of Riffles Sedimented
2.11 Riffle/Step Spacing Distance 200 ft.
2.12 Substrate Composition  
  Bedrock 0.0 %
  Boulder 18.0 %
  Cobble 29.0 %
  Course Gravel 29.0 %
  Fine Gravel 15.0 %
  Sand 9.0 %
  Silt and smaller 0.0 %
  Clay Present? No
  Percent Detritus 3.0 %
  Large Woody Debris Count 18
2.13 Average Largest Particle On  
  Bed 500 mm
  Bar 210 mm
2.14 Phase 2 Stream Type  
  Stream Type F
  Bed Material Gravel
  Subclass Slope None
  Dominant Bed Form Riffle-Pool
  SubDominant Bed Form
  Field Measured Slope
  Phase 1 Stream Type  
  Stream Type C
  Dominant Bed Material Gravel
  Subclass Slope None
  Bed Form Riffle-Pool
  Sub-reach Stream Type  
  Reference Stream Type B
  Reference Bed Material Gravel
  Reference Subclass Slope c
  Reference Bedform Riffle-Pool
  Were Channel Dimensions Significantly Changed By Major Flooding Yes
  Were channel dimensions significantly changed by human alteration associated with flood recovery efforts (e.g., reshaping of banks by yellow machines)? No
  Channel Enlargement 0 %
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