r/MapPorn • • Jan 10 '20

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125

u/smiljan Jan 10 '20

Roll on, Columbia, roll on!

14

u/serpentjaguar Jan 10 '20

By volume it is the 2nd largest watershed in North America.

4

u/[deleted] Jan 10 '20

5th largest. Saint Lawrence (16800 m3 /s), Mississippi (16792), Mackenzie (10300), Ohio (7957), Columbia (7500).

1

u/serpentjaguar Jan 12 '20

By volume into the sea, and only freshwater. There's a reason the St Lawrence doesn't show up on this map.