Pipe Line Lesson Plan
https://static1.squarespace.com/static/5a9e82cb697a983cf1373cf7/t/5e5e884c251af159ce8656f6/1583253580456/82801-45985+-+Laura+Sharpe+-+Feb+27%2C+2020+359+PM+-+ED5626+-+World+Issues+120+Toolkit.pdf