GROUND WATER ATLAS of the UNITED STATES
Idaho, Oregon, Washington
HA 730-H

Snake River Plain regional aquifer system

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Figure 52 Map showing location of the Snake River Plain regional aquifer system (244K)
downloadable tiff file H052.tif.gz (1.9MB compressed)

Figure 53 Map showing geology of the Snake River Plain regional aquifer system (144K)
downloadable tiff file H053.tif.gz (3.2MB compressed)

Figure 54 Map showing thickness of Pliocene and younger basaltic rocks (228K)
downloadable tiff file H054.tif.gz (1.9MB compressed)
Figure 55 Map showing saturated thickness of Pliocene and younger basaltic rocks (224K)
downloadable tiff file H055.eps.gz (1.9MB compressed)

Figure 56 Map showing thickness of unconsolidated deposits (232K)
downloadable tiff file H056.tif.gz (1.8MB compressed)

Figure 57 Map showing depth to uppermost volcanic rock unit (128K)
downloadable tiff file H057.tif.gz (3.3MB compressed)
Figure 58 Map showing ground-water movement in the Snake River Plain regional aquifer system (164K)
downloadable tiff file H058.tif.gz (3.2MB compressed)

Eastern Plain

Figure 59 Cross-section of eastern Snake River Plain regional aquifer system (376K)
downloadable tiff file H059.tif.gz (2.7MB compressed)

Figure 60 Cross-section near the margins of the Snake River Plain regional aquifer system (344K)
downloadable tiff file H060.tif.gz (3MB compressed)

Figure 61 Photographs showing surficial features of characteristic types of aquifer openings (280K)
downloadable tiff file H061.tif.gz (2.2MB compressed)

Figure 62 Photograph showing springs issuing from wall of the Snake River Canyon (204K)
downloadable tiff file H062.tif.gz (1.4MB compressed)

Figure 63 Cross-section showing basaltic lava flows (264K)
downloadable tiff file H063.tif.gz (2MB compressed)

Figure 64 Map showing locations where physical aspects and cultural practices affecting the ground-water flow in the eastern plain are described in text (300K)
downloadable tiff file H064.tif.gz (2.7MB compressed)

Table 2 Table showing ground-water conditions in the eastern Snake River Plain in Idaho (340K)
downloadable tiff file Htab2.tif.gz (2.3MB compressed)

Western Plain

Figure 65 Cross-section showing unconsolidated-deposit aquifers (324K)
downloadable tiff file H065.tif.gz (2.2MB compressed)

Figure 66 Map showing percentage of sand and gravel in the unconsolidated-deposit aquifers (284K)
downloadable tiff file H066.tif.gz (2.4MB compressed)

Figure 67 Generalized hydrogeologic section in the western Snake River Plain (200K)
downloadable tiff file H067.tif.gz (1.3MB compressed)

Figure 68 Hydrogeologic section showing diagram of perched water body (168K)
downloadable tiff file H068.tif.gz (1.2MB compressed)

Table 3 Table showing ground-water conditions in the western Snake River Basin (280K)
downloadable tiff file Htab3.tif.gz (1.9MB compressed)




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