1943. Mayer, Harold M. (Harold Melvin), 1916-1994. Figure 2. Also appeared in author's Ph. D. dissertation (University of Chicago, 1943): The railway pattern of metropolitan Chicago.; Scale [ca. 1:5...
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1943. Mayer, Harold M. (Harold Melvin), 1916-1994. Figures in circles represent the number of daily scheduled weekday passenger trains in both directions as shown in timetables in effect during Janu...
1943. Mayer, Harold M. (Harold Melvin), 1916-1994. Figure 3. Also appeared in author's Ph. D. dissertation (University of Chicago, 1943): The railway pattern of metropolitan Chicago.; Scale [ca. 1:1...
1943. Mayer, Harold M. (Harold Melvin), 1916-1994. Figure 6. Also appeared in author's Ph. D. dissertation (University of Chicago, 1943): The railway pattern of metropolitan Chicago.; Scale [ca. 1:1...