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Transcription
4. from the mountains. Beds of clay separating beds of sand and gravel serve to confine the water to these permeable beds, and owing to their inclined positions they give rise to artesian conditions. According to Carpenter _/ J Carpenter, Everett, Ground Water in Southeastern Nevada: U* S. Gael. Survey Water-Supply Paper 365, p. 40, 1915. m the deposits range from coarse material close to the mountains to sands and finer material farther away and finally to clay and fine sediments near the center of the valley. In general, wells drilled in the finer sediments in the lower part of the valley yield less water than wells farther up the slope to the west where the deposits are coarser. The following logs show the kind of material penetrated by the drill.
