Friday, November 9, 2012

Colebrook, Pennsylvania, USA

Dinosaur Rock, an outcrop of the fine-grained crystalline rock called diabase, is the product of differential erosion. The graffiti started to appear a decade ago and is now a full-blown case of dinosaur dermatitis. The infection commenced when the state put up a pointing arrow along the main road. Before that only the cognoscenti knew how to find it. [2002]

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