Figure 8.

Results of access-based model using the product present in Figure 6 and the contiguity and population criteria. Two areas are identified as being "under-served." The upper area is centered north of Grand Rapids and contains four counties, though only a very small portion of Muskegon is actually part of the area. The lower area is north/northeast of Detroit and contains the greater total land area and greater total population of the two regions.

Messina et al. International Journal of Health Geographics 2006 5:42   doi:10.1186/1476-072X-5-42
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