General Plot Position 



Code 



Refined Plot Position 



narrow valley bottom 

 (<100 feet wide) 



moderate valley bottom 

 (100-300 feet wide) 



wide valley bottom 

 (>300 feet wide) 



slope features 



short slope 



lower slope 



mid slope 

 upper slope 



NVTU type unknown 



NVSC stream channel 



NVSB stream bar 



NVLE levee (narrow flood plain 



overbank deposits) 

 NVCD colluvial deposit 



(colluvial fan) 



SLSS 



SLLS 

 AFLS 



SLMS 

 AFMS 



SLUS 

 AFUS 



short slope, neither 

 upper nor lower (<100 ft) 



lower slope 



lower slope of alluvial 



fan (fan skirt) 



mid slope 



mid slope of alluvial fan 



upper slope 



upper slope of alluvial 



fan 



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