Suggested tags
west bar riffles
riffle
ripple
enormous
ice age flood
huge
columbia river
washington
aerial
massive
sediment bar
flood
nature
pattern
texture
natural
background
scablands
channel
water
ancient
geology
geologic
outdoor
quincy
desert
arid
dry
landscape
rugged
dune
wave
barren
formation
cliff
rock
scour
water course
smooth