http://137.227.241.93/nwisweb/data/img/USGS.03040000.07.00060..20131113.20131120.log.0.p50.gif
Boatable above 500cfs.
http://benscreekcanoeclub.com/quemahoning-releases/
http://www.americanwhitewater.org/content/River/detail/id/2843/