Iowa, Michigan, Minnesota, Wisconsin
HA 730-J

Jacobsville and crystalline-rock aquifers

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Jacobsville Aquifer

Figure 133 Map showing location of the Jacobsville and crystalline-rock aquifers (334K)
downloadable tiff file J133.tif.gz (2.7MB compressed)

Figure 134 Correlation chart providing information about the Jacobsville and crystalline-rock aquifers (99K)
downloadable tiff file J134.tif.gz (646K compressed)

Figure 135 Generalized section showing placement of Jacobsville Sandstone (119K)
downloadable tiff file J135.tif.gz (820K compressed)

Figure 136 Map showing location of Jacobsville Sandstone in upper Michigan (183K)
downloadable tiff file J136.tif.gz (1.6MB compressed)

Figure 137 Map showing thickness of the Jacobsville Sandstone (117K)
downloadable tiff file J137.tif.gz (995K compressed)

Table 11 Table showing chemical analysis of water from the Jacobsville aquifer (64K)
downloadable tiff file Jtab11.tif.gz (234K compressed)

Figure 138 Pie chart showing use of fresh ground-water withdrawals from the Jacobsville aquifer during 1985 (125K)
downloadable tiff file J138.tif.gz (1MB compressed)

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