GROUND WATER ATLAS of the UNITED STATES
Arizona, Colorado, New Mexico, Utah
HA 730-C

Basin and Range aquifers

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.

Water-level Conditions


Figure 40 Map showing the altitude of the potentiometric surface and general direction of ground-water movement in the Basin and Range aquifers before ground-water development (304K)
downloadable tiff file C040.tif.gz (4.7MB compressed)

Figure 41 Cross section showing ground-water flow through basin fill and permeable bedrock (232K)
downloadable tiff file C041.tif.gz (1.8MB compressed)
Figure 42 Map showing the location of large basin-fill aquifers (252K)
downloadable tiff file C042.tif.gz (1.9MB compressed)
Figure 43 Map and charts showing long-term water-level decline through 1980 (252K)
downloadable tiff file C043.tif.gz (4.9MB compressed)

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