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.
Upper Cretaceous aquifers
Figure 34 Map of upper Cretaceous aquifers (50K)
editable eps
file I034.eps.gz (512K compressed)
Figure 35 Photograph of fractures, joints, and bedding planes
(50K)
This illustration contains
a placed image. Download the Adobe Illustrator 6 eps
file I035.eps.gz (6.8M compressed) which contains an imbedded Adobe
Photoshop 3 (eps) file. You may also want to download the editable
Photoshop file I035psh.eps.gz (6.8M compressed)
editable eps
file I034.eps.gz (512K compressed) 
This illustration contains
a placed image. Download the Adobe Illustrator 6 eps
file I035.eps.gz (6.8M compressed) which contains an imbedded Adobe
Photoshop 3 (eps) file. You may also want to download the editable
Photoshop file I035psh.eps.gz (6.8M compressed)