GROUND WATER ATLAS of the UNITED STATES
Iowa, Michigan, Minnesota, Wisconsin
HA 730-J

Cretaceous aquifer


There are two different files for each illustration

A 90 ppi JPEG file, suitable for screen viewing is accessed through the thumbnail image.

A tiff file is accessed through the "tiff file" link. All files are Adobe Photoshop. These files have been compressed with GNU's gzip utility. If your web browser defaults to a screen display of the file, turn on the "Load to local disk" option before downloading. Download and process these tiff files as ascii, not binary.


Ground-water Quality


Table 3 Table showing average anion and cation concentrations in the Cretaceous aquifer (119K)
downloadable tiff file Jtab03.tif.gz (853K compressed)


Figure 47 Map showing dissolved-solids concentrations in water from the Cretaceous aquifer(367K)
downloadable tiff file J047.tif.gz (4MB compressed)

Figure 48 Map showing dissolved-sulfate concentrations in water from the Cretaceous aquifer(377K)
downloadable tiff file J048.tif.gz (4MB compressed)


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