Hatch Chart of Central Pennsylvania
- Monthly chart covering Penns Creek, Big Fishing Creek, Elk Creek, Pine Creek, and Spring Creek.
- http://www.clubs.psu.edu/up/flyfishers/psuff_hatch.htm

DePuy Spring Creek Hatch Chart
- Located between the Absaroka and Gallatin mountain ranges in Paradise Valley south of Livingston, Montana.
- http://depuyspringcreek.com/hatches.html

US Hatch Charts
- Hatch Charts of the ten most popular rivers across the United States.
- http://www.angelfire.com/co/flyfishingamerica/hatch.html