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

Regional summary

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

Figure 19 Graph showing relation of aquifer mineralogy to several rock types in Michigan (96K)
downloadable tiff file J019.tif.gz (943K compressed)

Figure 20 Graph showing relation of composition of dissolved solids to concentration of dissolved solids (126K)
downloadable tiff file J020.tif.gz (1MB compressed)

Figure 21 Map showing the hydrochemical facies of the Cambrian-Ordovician aquifer system (292K)
downloadable tiff file J021.tif.gz (2.9MB compressed)


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