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Journal Article Geographic Inquiry into Global Issues Get access A. David Hill A. David Hill A. David Hill is Professor of Geography at the University of Colorado. He is currently serving as the director of the Geographic Inquiry into Global Issues project in the Center for Geographic Education in Boulder. Search for other works by this author on: Oxford Academic Google Scholar OAH Magazine of History, Volume 7, Issue 3, Spring 1993, Pages 73–76, https://doi.org/10.1093/maghis/7.3.73 Published: 01 March 1993
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Andrea D. Hill (1993) studied this question.
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