1/11/2007 | Share this article:By Lauren Becker
The summer before my senior year of college I worked as a park ranger guiding hikes in one of the most beautiful state parks in the country. Its central feature was a 256-foot waterfall that plunged down through a gorgeous natural amphitheater, cutting through bands of limestone and sandstone and collecting in a deep pool, the perfect hangout for summer swimming. My favorite program was the hike to the base of the falls. Layers of rock are like chapters in a history book and this canyon, carved so deeply, told an ancient story. Standing at the bottom, calling out over the roar of the falls, I got to teach the exciting conclusion, "The layers of slate and shale beneath our feet tell us that 300 million years ago, this deciduous forest was a tropical jungle."
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