Mountain Press Publishing Missoula Montana
William Fritz
William J. Fritz is provost and senior vice president for academic affairs at the College of Staten Island, The City University of New York. He is also a professor of geology at the College of Staten Island and emeriti professor of geology at Georgia State University, where he was the director of summer geology field camp taught in Dillon, Montana, and Yellowstone for many years.

Works:
   Roadside Geology of Yellowstone Country