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

Surficial aquifer system


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 40 Pie chart showing principal uses of fresh ground-water withdrawals from the surficial aquifer system in Segment 9 (101K)
downloadable tiff file J040.tif.gz (879K compressed)


Figure 41 Map showing use of fresh ground-water withdrawals in each of the States of Segment 9 (500K)
downloadable tiff file J041.tif.gz (4MB compressed)


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