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2. Beck, James R., 1942, The Dover-New Philadelphia, Ohio, Area.
3. Carlson, Carl F., 1940, Aurora, Illinois: A Study in Sequent Land Use.
4. Chambers, William T., 1926, A Geographic Study of Joliet, Illinois, an Urban Center Dominated by Manufacturing.
5. Christians, William F., 1938, Land Utilization in Denver.