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This beautifully written and deeply personal collection of essays paints a progressive view of the American West as seen by a geologist. Ellen Wohl traces her twenty years of living and conducting research in the natural landscapes of the West as she investigates the conflict between environmental history and widely held romanticized views of the region. Wohl grew up in Ohio, subscribing to a common perception of the American West as an unchanged frontier. Moving to Arizona, she became enthralled with how the landscapes and ecosystems of the West have undergone change, both through geologic time and during the historical era of European settlement. These essays tell of her early training as ...
This book presents the proceedings of the international symposium on geotechnical stability in surface mining in Calgary. The symposium deals with the full gamut of mine equipment development, selection and utilization.
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Reprint of the original, first published in 1877.