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

Silurian-Devonian 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.


Fresh Ground-water Withdrawals

Figure 90 Pie charts showing principal uses of fresh ground-water withdrawals from the Silurian-Devonian aquifer (253K)
downloadable tiff file J090.tif.gz (2.4MB compressed)



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