Starlighter Tour Contest Day 39

Please do not answer if you have already had an answer posted that qualified.

Contest day #39.

Please see these posts for contest description and rules:

http://dragonsinourmidst.blogspot.com/2010/03/starlighter-contest.html

http://dragonsinourmidst.blogspot.com/2010/04/starlighter-tour-contest-begins.html

Here is question #39.

What was the name of the river into which Nelson's Creek flowed?