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5 January 2011
Dirt: the Erosion of Civilizations, by David Montgomery
The final book I read over the break was Dirt: the Erosion of Civilizations, by David Montgomery. Montgomery got a MacArthur “Genius” Award for his soil work, and I use an article he wrote for GSA Today (2007) as one of the assigned readings for my Environmental Geology course. In Dirt, he lays out the case for protecting civilization by protecting soils. Attention is given to soil-forming processes, and rates …
Dirt: the Erosion of Civilizations, by David Montgomery
The final book I read over the break was Dirt: the Erosion of Civilizations, by David Montgomery. Montgomery got a MacArthur “Genius” Award for his soil work, and I use an article he wrote for GSA Today (2007) as one of the assigned readings for my Environmental Geology course. In Dirt, he lays out the case for protecting civilization by protecting soils. Attention is given to soil-forming processes, and rates …

Callan Bentley is an assistant professor of geology at Northern Virginia Community College in Annandale, Virginia. He is particularly interested in structural geology and the evolution of the Appalachian mountain belt. Callan draws cartoons and writes for EARTH magazine. He lives in Washington, D.C.








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