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.
Mill Creek Falls. The highest waterfall in Cuyahoga County, Mill Creek Falls is also one of the most easily accessible. The 48-foot waterfall, which once powered the area's oldest grist and saw mill, tumbles over a craggy rock face along Mill Creek, one of the largest tributaries of the Cuyahoga River.