nd index values. For example,
In Salt Lake City, the only problems encountered in drawing the boundary involved government buildings. Thus the block occupied by the city-county building at the extreme southeast was included . . . ; so, too, was the narrow block southwest of the center where the post office is situated (220).
In their conclusion, the authors evaluate the method of indexing they used. They candidly admit that "The Central Business Index Method is not presented as a absolute and final answer to the problem of delimiting the CBD, but rather as a first step in that direction" (221). They go on to point out the limitations of their study, including the fact that their boundaries should not be seen as a definitive ct-off point for the CBD in any particular city. Also, they studied only cities of a limited size, and they question how effective their approach would be when applied to larger cities.
The study is somewhat obsolete due to the changes that have occurred in these Districts in the almost forty years since the study was conducted.
Murphy, Raymond E., and J.E. Vance, Jr. "Delimiting the CBD." Economic Geography. Vol. 30, No. 3, July, 1954, 189-221.
J. Timmons Roberts, in "Squatters and Urban Growth in Amazonia," and Brian J. Godfrey, in "Migration to the Gold-Mining Frontier in Brazilian Amazonia" explore social, political and environmental changes which have been wrought as results of the influx of squatters into Amazonia. Godfrey is an associate professor of geography at Vassar College in Poughkeepsie, New York, and J. Timmons Roberts is an assistant professor of Latin American studies and sociology at Tulane University in New Orleans, Louisiana.
The general conclusion of both articles is that the squatters have created communities which are dynamic, at least semi-permanent, have created environmental problems, and that political and social leaders must take serious
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