This concept shouldn't be all that strange, actually. U-substitution is only one transformation technique, and in fact, you probably have already used other techniques of transformation to solve integration problems that haven't required the U-Substitution method. Here's an example: So this doesn't look too hard.
Hunlock Creek Info. Hunlock Creek, Pennsylvania is located in Luzerne County. Zip codes in Hunlock Creek, PA include 18621.
West Branch of the Susquehanna River. Nearby Town: Clearfield. What to Catch: trout, smallmouth bass, white crappie. Clearfield County is home to more than 100 miles of the 228-mile West Branch of the Susquehanna River, the only portion of the waterway stocked with trout by the Pennsylvania Fish & Boat Commission.