Ascent
Ascent
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40 subgroups of
River
braided river
29
large river
27
old river
23
meandering river
22
mature river
19
underground river
19
main river
17
great river
16
small river
15
entrenched river
12
major river
10
youthful river
10
alluvial river
9
young river
8
moving river
7
bedrock river
6
main stem river
6
oregon river
4
upland river
4
fourth river
4
second river
4
mighty river
4
ephemeral river
4
fast flowing river
4
anastomosing river
4
mi river
3
deep river
3
free river
3
time river
3
maine river
3
order river
3
virgin river
3
arizona river
3
american river
3
ordinary river
3
combined river
3
san juan river
3
important river
3
downstream river
3
intermittent river
3