In 1997 I had what I refer to as my oil epiphany. It occurred to me that the vast human-altered landscapes that I pursued and photographed for over twenty years were only made possible by the discovery of oil and the mechanical advantage of the internal combustion engine. It was then that I began the oil project. Over the next ten years I researched and photographed the largest oil fields I could find. I went on to make images of refineries freeway interchanges automobile plants and the...