Waccamaw River ?'s!?

Question

I need some info on the Waccamaw River in South Carolina.

1. Why is it black?

2. What factors affect the Waccamaw River and how do they affect it?

3. How long is it?

4. Does it have any density dependent or independent factors?

If you can answer any of these questions I would greatly appreciate it!!

Answer 1

http://en.wikipedia.org/wiki/Waccamaw_Ri...

http://en.wikipedia.org/wiki/Blackwater_...