Changes

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|+ Manning's 'n' of vegetated surfaces <ref>Arcement, G.J., Schneider, R. Guide for Selecting Manning's Roughness Coefficients for Natural Channels and Flood Plains U.S.G.S. WATER-SUPPLY PAPER 2339, 1989 http://eh.sdsu.edu/usgs_report_2339.pdf Accessed Dec 19 2017</ref>

|+ Manning's n of vegetated surfaces <ref>Arcement, G.J., Schneider, R. Guide for Selecting Manning's Roughness Coefficients for Natural Channels and Flood Plains U.S.G.S. WATER-SUPPLY PAPER 2339, 1989 http://eh.sdsu.edu/usgs_report_2339.pdf Accessed Dec 19 2017</ref>

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!'n' value range  

!n value range  

!Good condition turf grass

!Good condition turf grass

!Other  

!Other  

|bushy willow trees about 1 year old inter-grown with weeds along side slopes (all vegetation in full foliage)

|bushy willow trees about 1 year old inter-grown with weeds along side slopes (all vegetation in full foliage)

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