GROUND WATER ATLAS of the UNITED STATES
Montana, North Dakota, South Dakota, Wyoming
HA 730-I

Principal aquifers

There are two different files for each illustration

A 72 ppi GIF file, suitable for screen viewing is accessed through the thumbnail image

An eps file, suitable for downloading to be printed or edited is accessed through the "eps file" link. Most files are Adobe Illustrator 6.0, exceptions are noted. 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 eps files as ascii, not binary.

Lower Tertiary aquifers

Figure 32 Photograph of a coal seam (50K)
This illustration contains a placed image. Download the Adobe Illustrator 6 eps file I032.eps.gz (6.3M compressed) which contains an imbedded Adobe Photoshop 3 (eps) file. You may also want to download the editable Photoshop file I032psh.eps.gz (6.3M compressed)

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