Bill Mahaney is emeritus professor of geography at York University in Toronto, Ontario, Canada. A specialist in glacial geology and geomorphology, he is also president of Quaternar...ver maisBill Mahaney is emeritus professor of geography at York University in Toronto, Ontario, Canada. A specialist in glacial geology and geomorphology, he is also president of Quaternary Surveys, a company specializing in Quaternary geology and environmental geomorphology. He currently lives in Toronto, Canada. This is his sixteenth book.ver menos